{
    "cdp_num": null,
    "comment": null,
    "conditions": [],
    "country": "Iceland",
    "country_code_ISO": "ISL",
    "date_from": "1992-06-13 00:00:00",
    "date_to": null,
    "description": null,
    "geological": {
        "bedrock": {
            "condition": "WEATHERED",
            "type": "IGNEOUS"
        },
        "characteristic": "BEDROCK",
        "distance_to_fault": null,
        "fault_zone": "TRUE",
        "fracture_spacing": null
    },
    "iers_domes": null,
    "instrument_collocation": [],
    "local_ties": [],
    "location": {
        "city": "J\u00f6kulheimar",
        "coordinates": {
            "X": 2633520.68,
            "Y": -867895.809,
            "Z": 5725426.436,
            "altitude": 740.7,
            "lat": 64.3095570046564,
            "lon": -18.24000999560595
        },
        "country": "Iceland",
        "country_iso_code": "ISL",
        "description": "",
        "state": "",
        "tectonic": {
            "plate_name": "NORTH AMERICAN"
        }
    },
    "logs": {
        "contact": "GNSS Operator (gnss-epos@vedur.is)",
        "date": "2026-09-16 00:00:00",
        "log_type": "NEW",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "JOKU00ISL.xml"
    },
    "marker": "JOKU",
    "monument": {
        "description": "STEEL QUADRIPOD",
        "foundation": "BEDROCK",
        "foundation_depth": 0.7,
        "height": 1.062,
        "monument_inscription": null
    },
    "monument_num": 0,
    "name": "J\u00f6kulheimar",
    "receiver_num": 0,
    "station_contacts": [
        {
            "contact": {
                "agency": {
                    "abbreviation": "IMO",
                    "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                    "infos": "",
                    "name": "Icelandic Meteorological Office",
                    "www": "https:\/\/en.vedur.is\/"
                },
                "comment": "",
                "email": "gnss-epos@vedur.is",
                "name": "GNSS Operator",
                "phone": "",
                "role": "site_owner",
                "title": ""
            }
        },
        {
            "contact": {
                "agency": {
                    "abbreviation": "IMO",
                    "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                    "infos": "",
                    "name": "Icelandic Meteorological Office",
                    "www": "https:\/\/en.vedur.is\/"
                },
                "comment": "",
                "email": "gnss-epos@vedur.is",
                "name": "GNSS Operator",
                "phone": "",
                "role": "metadata_custodian",
                "title": ""
            }
        }
    ],
    "station_items": [
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1992-06-13 00:00:00",
                "date_to": "1992-06-21 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000ST"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2361"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.64"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-03 05:00:00",
                "date_to": "1993-08-03 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1968"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 5.53 \/ SP 1.20"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-07 06:00:00",
                "date_to": "1993-08-07 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1968"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 5.53 \/ SP 1.20"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1996-07-05 00:00:00",
                "date_to": "1996-07-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SST"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2459"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.83 \/ 1.15"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1997-08-12 00:00:00",
                "date_to": "1997-08-14 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SST"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2459"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.83 \/ 1.15"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-02-04 00:00:00",
                "date_to": "1999-02-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000ST"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "000000"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.83\/1.15"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-06-12 00:00:00",
                "date_to": "1999-06-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000ST"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "000000"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.83\/1.15"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-09-17 00:00:00",
                "date_to": "1999-09-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000ST"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "000000"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.83\/1.15"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2000-06-11 00:00:00",
                "date_to": "2000-06-14 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "26093"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 7.29 \/ SP 3.07"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-05-30 00:00:00",
                "date_to": "2001-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "15412"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 7.19 \/ SP 3.04"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-10 09:00:00",
                "date_to": "2001-08-11 10:10:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "220138321"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP1.12\/SP1.31"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-11 10:20:00",
                "date_to": "2001-08-11 21:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "220138321"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP1.12\/SP1.31"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-12 09:00:00",
                "date_to": "2001-08-12 20:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "220138321"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP1.12\/SP1.31"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-14 00:00:00",
                "date_to": "2001-08-18 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "14444"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 7.19 \/ SP 3.04"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-05-30 00:00:00",
                "date_to": "2002-06-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "26093"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 7.29 \/ SP 3.07"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-07-09 00:00:00",
                "date_to": "2002-07-29 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "15256"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.53"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2003-05-30 00:00:00",
                "date_to": "2003-06-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "15256"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.53"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-05-29 00:00:00",
                "date_to": "2004-06-13 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "28516"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-08-06 00:00:00",
                "date_to": "2004-08-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "40102146"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Nav 2.01 Sig 0.00"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-09-26 00:00:00",
                "date_to": "2004-10-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220331856"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2.01"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-01-20 00:00:00",
                "date_to": "2005-01-30 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220331856"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 2.01 \/ SP 0.00"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-04-29 00:00:00",
                "date_to": "2005-05-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "578309"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Nav 2.01 Sig 0.00"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-05-30 00:00:00",
                "date_to": "2005-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "578309"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 1.30 \/ SP 0.00"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-07-29 00:00:00",
                "date_to": "2005-08-18 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "220330303"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NP 1.30 \/ SP 0.00"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-09-27 00:00:00",
                "date_to": "2005-10-17 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "320659"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.30"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-03-03 00:00:00",
                "date_to": "2006-03-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2006-03-03 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE R7"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-03-03 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220330304"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2006-03-03 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2006-03-03 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2.01"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2006-03-03 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2006-03-03 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-04-25 00:00:00",
                "date_to": "2006-05-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220331856"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-06-03 00:00:00",
                "date_to": "2006-06-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "28516"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-08-18 00:00:00",
                "date_to": "2006-08-24 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "220330303"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2.21"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-24 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-08-24 00:00:00",
                "date_to": "2006-08-29 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2006-08-24 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-08-24 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "220330303"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2006-08-24 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2006-08-24 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2006-08-24 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2006-08-24 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-05-30 00:00:00",
                "date_to": "2007-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "02940"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-08-08 00:00:00",
                "date_to": "2007-09-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "999999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2008-02-19 00:00:00",
                "date_to": "2008-06-08 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "02940"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2008-09-16 00:00:00",
                "date_to": "2009-05-30 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2009-05-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 5700"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2009-05-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "999999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2009-05-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2009-05-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.29"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2009-05-30 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2009-05-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-03-13 00:00:00",
                "date_to": "2019-04-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2019-04-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2019-04-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4811148303"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2019-04-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2019-04-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.2-5"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2019-04-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2019-04-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-04-06 00:00:00",
                "date_to": "2022-07-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-04-06 00:00:00",
                        "date_to": "2022-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-04-06 00:00:00",
                        "date_to": "2022-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4811148303"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-04-06 00:00:00",
                        "date_to": "2022-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-04-06 00:00:00",
                        "date_to": "2022-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.3-2"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-04-06 00:00:00",
                        "date_to": "2022-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-04-06 00:00:00",
                        "date_to": "2022-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2025-04-10 00:00:00",
                "date_to": "2026-09-01 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": "2026-09-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "SEPT POLARX5"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": "2026-09-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3099719"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": "2026-09-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": "2026-09-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.5.0"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": "2026-09-01 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": "2026-09-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2026-09-01 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2026-09-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "SEPT POLARX5"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2026-09-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3099719"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2026-09-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2026-09-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.7.0"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2026-09-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2026-09-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1992-06-13 00:00:00",
                "date_to": "1992-06-21 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0000"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.1346,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1992-06-13 00:00:00",
                "date_to": "1992-06-21 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1992-06-13 00:00:00",
                        "date_to": "1992-06-21 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-03 05:00:00",
                "date_to": "1993-08-03 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3146A48961"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": 1.322,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-03 05:00:00",
                "date_to": "1993-08-03 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-03 05:00:00",
                        "date_to": "1993-08-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-07 06:00:00",
                "date_to": "1993-08-07 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3146A48961"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": 1.326,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-07 06:00:00",
                "date_to": "1993-08-07 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-07 06:00:00",
                        "date_to": "1993-08-07 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1996-07-05 00:00:00",
                "date_to": "1996-07-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0000"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9608,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1996-07-05 00:00:00",
                "date_to": "1996-07-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-07-05 00:00:00",
                        "date_to": "1996-07-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1997-08-12 00:00:00",
                "date_to": "1997-08-14 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0000"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.0119,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1997-08-12 00:00:00",
                "date_to": "1997-08-14 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1997-08-12 00:00:00",
                        "date_to": "1997-08-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-02-04 00:00:00",
                "date_to": "1999-02-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0000"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.0048,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-02-04 00:00:00",
                "date_to": "1999-02-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-02-04 00:00:00",
                        "date_to": "1999-02-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-06-12 00:00:00",
                "date_to": "1999-06-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0000"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9258,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-06-12 00:00:00",
                "date_to": "1999-06-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-06-12 00:00:00",
                        "date_to": "1999-06-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-09-17 00:00:00",
                "date_to": "1999-09-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM14532.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0000"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.016,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-09-17 00:00:00",
                "date_to": "1999-09-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-09-17 00:00:00",
                        "date_to": "1999-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2000-06-11 00:00:00",
                "date_to": "2000-06-14 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.20+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "171774"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.8238,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2000-06-11 00:00:00",
                "date_to": "2000-06-14 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2000-06-11 00:00:00",
                        "date_to": "2000-06-14 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-05-30 00:00:00",
                "date_to": "2001-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.20+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "171774"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9889,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-05-30 00:00:00",
                "date_to": "2001-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-05-30 00:00:00",
                        "date_to": "2001-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-10 09:00:00",
                "date_to": "2001-08-10 19:10:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.00+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220156370"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": 1.1245,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-10 09:00:00",
                "date_to": "2001-08-10 19:10:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-10 09:00:00",
                        "date_to": "2001-08-10 19:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-10 19:10:00",
                "date_to": "2001-08-11 10:10:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.00+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220156370"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": 1.1167,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-10 19:10:00",
                "date_to": "2001-08-11 10:10:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-10 19:10:00",
                        "date_to": "2001-08-11 10:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-11 10:20:00",
                "date_to": "2001-08-11 21:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.00+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220156370"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": 0.9835,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-11 10:20:00",
                "date_to": "2001-08-11 21:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-11 10:20:00",
                        "date_to": "2001-08-11 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-12 09:00:00",
                "date_to": "2001-08-12 20:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.00+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220156370"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": 1.0201,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-12 09:00:00",
                "date_to": "2001-08-12 20:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-12 09:00:00",
                        "date_to": "2001-08-12 20:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-14 00:00:00",
                "date_to": "2001-08-18 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM29659.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "131866"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.1457,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-14 00:00:00",
                "date_to": "2001-08-18 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-14 00:00:00",
                        "date_to": "2001-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-05-30 00:00:00",
                "date_to": "2002-06-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.20+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "168784"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9822,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-05-30 00:00:00",
                "date_to": "2002-06-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-05-30 00:00:00",
                        "date_to": "2002-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-07-09 00:00:00",
                "date_to": "2002-07-29 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.20+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "171774"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.053,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-07-09 00:00:00",
                "date_to": "2002-07-29 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-07-09 00:00:00",
                        "date_to": "2002-07-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2003-05-30 00:00:00",
                "date_to": "2003-06-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.20+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "171774"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9504,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2003-05-30 00:00:00",
                "date_to": "2003-06-09 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2003-05-30 00:00:00",
                        "date_to": "2003-06-09 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-05-29 00:00:00",
                "date_to": "2004-06-13 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.00+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "156516"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.8856,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-05-29 00:00:00",
                "date_to": "2004-06-13 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-05-29 00:00:00",
                        "date_to": "2004-06-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-08-06 00:00:00",
                "date_to": "2004-08-09 13:10:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "11909556"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": 0.932,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-08-06 00:00:00",
                "date_to": "2004-08-09 13:10:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-08-06 00:00:00",
                        "date_to": "2004-08-09 13:10:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-08-09 13:10:00",
                "date_to": "2004-08-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "11909556"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9421,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-08-09 13:10:00",
                "date_to": "2004-08-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-08-09 13:10:00",
                        "date_to": "2004-08-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-09-26 00:00:00",
                "date_to": "2004-10-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "606552"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9513,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-09-26 00:00:00",
                "date_to": "2004-10-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-09-26 00:00:00",
                        "date_to": "2004-10-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-01-20 00:00:00",
                "date_to": "2005-01-30 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "606552"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.9918,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-01-20 00:00:00",
                "date_to": "2005-01-30 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-01-20 00:00:00",
                        "date_to": "2005-01-30 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-04-29 00:00:00",
                "date_to": "2005-05-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "320660"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.7441,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-04-29 00:00:00",
                "date_to": "2005-05-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-04-29 00:00:00",
                        "date_to": "2005-05-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-05-30 00:00:00",
                "date_to": "2005-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "320660"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-05-30 00:00:00",
                "date_to": "2005-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-05-30 00:00:00",
                        "date_to": "2005-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-07-29 00:00:00",
                "date_to": "2005-08-18 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "634708"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-07-29 00:00:00",
                "date_to": "2005-08-18 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-07-29 00:00:00",
                        "date_to": "2005-08-18 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-09-27 00:00:00",
                "date_to": "2005-10-17 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "470949"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.127,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-09-27 00:00:00",
                "date_to": "2005-10-17 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-09-27 00:00:00",
                        "date_to": "2005-10-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-03-01 00:00:00",
                "date_to": "2006-03-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "60108683"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": -0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-03-01 00:00:00",
                "date_to": "2006-03-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-03-01 00:00:00",
                        "date_to": "2006-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-03-06 00:00:00",
                "date_to": "2006-03-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "60108683"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-03-06 00:00:00",
                "date_to": "2006-03-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-03-06 00:00:00",
                        "date_to": "2006-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-04-25 00:00:00",
                "date_to": "2006-04-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "12605840"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-04-25 00:00:00",
                "date_to": "2006-04-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-04-25 00:00:00",
                        "date_to": "2006-04-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-04-27 00:00:00",
                "date_to": "2006-05-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "12605840"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": -0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-04-27 00:00:00",
                "date_to": "2006-05-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-04-27 00:00:00",
                        "date_to": "2006-05-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-06-03 00:00:00",
                "date_to": "2006-06-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM33429.20+GP"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "168784"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-06-03 00:00:00",
                "date_to": "2006-06-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-06-03 00:00:00",
                        "date_to": "2006-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-08-18 00:00:00",
                "date_to": "2006-08-29 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "634708"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": -0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-08-18 00:00:00",
                "date_to": "2006-08-29 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-08-18 00:00:00",
                        "date_to": "2006-08-29 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-05-30 00:00:00",
                "date_to": "2007-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "260410"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-05-30 00:00:00",
                "date_to": "2007-06-19 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-05-30 00:00:00",
                        "date_to": "2007-06-19 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-08-08 00:00:00",
                "date_to": "2007-09-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "9999999"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-08-08 00:00:00",
                "date_to": "2007-09-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-08-08 00:00:00",
                        "date_to": "2007-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2008-02-19 00:00:00",
                "date_to": "2008-06-08 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "260410"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2008-02-19 00:00:00",
                "date_to": "2008-06-08 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2008-02-19 00:00:00",
                        "date_to": "2008-06-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2008-09-16 00:00:00",
                "date_to": "2010-03-13 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "9999999"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2008-09-16 00:00:00",
                "date_to": "2010-03-13 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2008-09-16 00:00:00",
                        "date_to": "2010-03-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-03-13 00:00:00",
                "date_to": "2025-04-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM41249.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "60244846"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": -0.0001,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-03-13 00:00:00",
                "date_to": "2025-04-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-03-13 00:00:00",
                        "date_to": "2025-04-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2025-04-10 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "SEPPOLANT_X_MF"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "6176"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 1.062,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "IMO",
                        "address": "B\u00fasta\u00f0arvegur 7-9 \/ -\n105 Reykjavik\nIceland",
                        "infos": "",
                        "name": "Icelandic Meteorological Office",
                        "www": "https:\/\/en.vedur.is\/"
                    },
                    "comment": "",
                    "email": "gnss-epos@vedur.is",
                    "name": "GNSS Operator",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2025-04-10 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2025-04-10 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPOS"
        }
    ],
    "station_type": "GNSS Continuous"
}