{
    "cdp_num": null,
    "comment": "The monument is on the roof of the\r\nAZTI-Tecnalia centre of Pasaia\r\nAntenna is approximately 15m above ground level",
    "conditions": [
        {
            "comments": null,
            "date_from": "2014-04-01 00:00:00",
            "date_to": null,
            "type": "local_episodic_effect: Added TPS NET-G3A receiver,ALDCBS1X2 amplified signalsplitter to original antennaconnection. No change tooriginal antenna.GR10 powers the antenna and the splitter."
        }
    ],
    "country": "Spain",
    "country_code_ISO": "ESP",
    "date_from": "2007-02-12 00:00:00",
    "date_to": null,
    "description": null,
    "geological": {
        "bedrock": {
            "condition": null,
            "type": null
        },
        "characteristic": null,
        "distance_to_fault": null,
        "fault_zone": "NO",
        "fracture_spacing": null
    },
    "iers_domes": "19351S001",
    "instrument_collocation": [
        {
            "comment": "Paroscientific Series 8000 Gauge",
            "date_from": "2007-02-19 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
            "type": "TIDE GAUGE"
        }
    ],
    "local_ties": [],
    "location": {
        "city": "Pasaia",
        "coordinates": {
            "X": 4644909.237,
            "Y": -156645.166,
            "Z": 4353622.778,
            "altitude": 67.3,
            "lat": 43.32176388850764,
            "lon": -1.9315138889489334
        },
        "country": "Spain",
        "country_iso_code": "ESP",
        "description": "Permanent GNSS and Tide Gauge",
        "state": "Gipuzkoa",
        "tectonic": {
            "plate_name": "EURASIAN"
        }
    },
    "logs": {
        "contact": "ARANZADI (geodesia@aranzadi.eus)",
        "date": "2025-10-03 00:00:00",
        "log_type": "UPDATE",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "PASA00ESP.xml"
    },
    "marker": "PASA",
    "monument": {
        "description": "STEEL MAST",
        "foundation": "MAST SCREW ANCHORED TO BUILDING WALL",
        "foundation_depth": null,
        "height": 1.7,
        "monument_inscription": null
    },
    "monument_num": 0,
    "name": "Pasaia",
    "receiver_num": 0,
    "station_contacts": [
        {
            "contact": {
                "agency": {
                    "abbreviation": "GFA",
                    "address": "Plaza Julio Caro Baroja 2\n20.018 Donostia - San Sebasti\u00e1n\nSpain",
                    "infos": "",
                    "name": "Gipuzkoako Foru Aldundia - Diputaci\u00f3n Foral de Gipuzkoa",
                    "www": ""
                },
                "comment": "",
                "email": "liz@gipuzkoa.eus",
                "name": "GFA GNSS",
                "phone": "",
                "role": "site_owner",
                "title": ""
            }
        },
        {
            "contact": {
                "agency": {
                    "abbreviation": "ARA",
                    "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                    "infos": "",
                    "name": "ARANZADI Society of Sciences",
                    "www": ""
                },
                "comment": "",
                "email": "geodesia@aranzadi.eus",
                "name": "ARANZADI",
                "phone": "",
                "role": "metadata_custodian",
                "title": ""
            }
        },
        {
            "contact": {
                "agency": {
                    "abbreviation": "ARA",
                    "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                    "infos": "",
                    "name": "ARANZADI Society of Sciences",
                    "www": ""
                },
                "comment": "",
                "email": "geodesia@aranzadi.eus",
                "name": "ARANZADI",
                "phone": "",
                "role": "site_contact",
                "title": ""
            }
        }
    ],
    "station_items": [
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-02-12 00:00:00",
                "date_to": "2007-07-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200PRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.00\/2.121"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-07-20 00:00:00",
                "date_to": "2007-09-05 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "350102"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.10\/3013"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-09-05 00:00:00",
                "date_to": "2008-11-17 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2008-11-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2008-11-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2008-11-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2008-11-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.50\/3.014"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2008-11-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2008-11-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2008-11-17 00:00:00",
                "date_to": "2009-03-26 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2008-11-17 00:00:00",
                        "date_to": "2009-03-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2008-11-17 00:00:00",
                        "date_to": "2009-03-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2008-11-17 00:00:00",
                        "date_to": "2009-03-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2008-11-17 00:00:00",
                        "date_to": "2009-03-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "6.02\/3.014"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2008-11-17 00:00:00",
                        "date_to": "2009-03-26 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2008-11-17 00:00:00",
                        "date_to": "2009-03-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-03-26 00:00:00",
                "date_to": "2009-06-10 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2009-03-26 00:00:00",
                        "date_to": "2009-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-03-26 00:00:00",
                        "date_to": "2009-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2009-03-26 00:00:00",
                        "date_to": "2009-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2009-03-26 00:00:00",
                        "date_to": "2009-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.02\/3.016"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2009-03-26 00:00:00",
                        "date_to": "2009-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2009-03-26 00:00:00",
                        "date_to": "2009-06-10 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-06-10 00:00:00",
                "date_to": "2010-03-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2009-06-10 00:00:00",
                        "date_to": "2010-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-06-10 00:00:00",
                        "date_to": "2010-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2009-06-10 00:00:00",
                        "date_to": "2010-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2009-06-10 00:00:00",
                        "date_to": "2010-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.02\/3.017"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2009-06-10 00:00:00",
                        "date_to": "2010-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2009-06-10 00:00:00",
                        "date_to": "2010-03-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-03-11 00:00:00",
                "date_to": "2010-05-03 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2010-03-11 00:00:00",
                        "date_to": "2010-05-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-03-11 00:00:00",
                        "date_to": "2010-05-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2010-03-11 00:00:00",
                        "date_to": "2010-05-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2010-03-11 00:00:00",
                        "date_to": "2010-05-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.80\/3.018"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2010-03-11 00:00:00",
                        "date_to": "2010-05-03 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2010-03-11 00:00:00",
                        "date_to": "2010-05-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-05-03 00:00:00",
                "date_to": "2010-07-07 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2010-05-03 00:00:00",
                        "date_to": "2010-07-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-05-03 00:00:00",
                        "date_to": "2010-07-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2010-05-03 00:00:00",
                        "date_to": "2010-07-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2010-05-03 00:00:00",
                        "date_to": "2010-07-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.80\/3.019"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2010-05-03 00:00:00",
                        "date_to": "2010-07-07 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2010-05-03 00:00:00",
                        "date_to": "2010-07-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-07-07 00:00:00",
                "date_to": "2011-05-16 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2010-07-07 00:00:00",
                        "date_to": "2011-05-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-07-07 00:00:00",
                        "date_to": "2011-05-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2010-07-07 00:00:00",
                        "date_to": "2011-05-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2010-07-07 00:00:00",
                        "date_to": "2011-05-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.00\/3.019"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2010-07-07 00:00:00",
                        "date_to": "2011-05-16 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2010-07-07 00:00:00",
                        "date_to": "2011-05-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-05-16 00:00:00",
                "date_to": "2011-06-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2011-05-16 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200GGPRO"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-05-16 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "455999"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2011-05-16 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2011-05-16 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.20\/3.019"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2011-05-16 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2011-05-16 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-06-06 00:00:00",
                "date_to": "2012-01-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2012-01-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2012-01-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2012-01-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2012-01-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.10\/4.007"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2012-01-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2012-01-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2012-02-27 00:00:00",
                "date_to": "2012-05-07 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2012-02-27 00:00:00",
                        "date_to": "2012-05-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2012-02-27 00:00:00",
                        "date_to": "2012-05-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2012-02-27 00:00:00",
                        "date_to": "2012-05-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2012-02-27 00:00:00",
                        "date_to": "2012-05-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2.0\/4.007"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2012-02-27 00:00:00",
                        "date_to": "2012-05-07 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2012-02-27 00:00:00",
                        "date_to": "2012-05-07 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2012-05-07 00:00:00",
                "date_to": "2012-08-28 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2012-05-07 00:00:00",
                        "date_to": "2012-08-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2012-05-07 00:00:00",
                        "date_to": "2012-08-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2012-05-07 00:00:00",
                        "date_to": "2012-08-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2012-05-07 00:00:00",
                        "date_to": "2012-08-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2.5\/6.110"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2012-05-07 00:00:00",
                        "date_to": "2012-08-28 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2012-05-07 00:00:00",
                        "date_to": "2012-08-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2012-08-28 00:00:00",
                "date_to": "2013-04-25 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2012-08-28 00:00:00",
                        "date_to": "2013-04-25 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2012-08-28 00:00:00",
                        "date_to": "2013-04-25 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2012-08-28 00:00:00",
                        "date_to": "2013-04-25 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2012-08-28 00:00:00",
                        "date_to": "2013-04-25 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2.62\/6.112"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2012-08-28 00:00:00",
                        "date_to": "2013-04-25 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2012-08-28 00:00:00",
                        "date_to": "2013-04-25 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2013-04-25 00:00:00",
                "date_to": "2014-04-01 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2013-04-25 00:00:00",
                        "date_to": "2014-04-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2013-04-25 00:00:00",
                        "date_to": "2014-04-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2013-04-25 00:00:00",
                        "date_to": "2014-04-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2013-04-25 00:00:00",
                        "date_to": "2014-04-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.00\/6.113"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2013-04-25 00:00:00",
                        "date_to": "2014-04-01 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2013-04-25 00:00:00",
                        "date_to": "2014-04-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "GR10 receiver connected to ALDCBS1X2\r\nsignal splitter.\r\nThe 2nd output of the splitter is connected\r\nwith the receiver of station PAS2.",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-04-01 00:00:00",
                "date_to": "2014-05-23 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2014-04-01 00:00:00",
                        "date_to": "2014-05-23 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-04-01 00:00:00",
                        "date_to": "2014-05-23 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2014-04-01 00:00:00",
                        "date_to": "2014-05-23 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2014-04-01 00:00:00",
                        "date_to": "2014-05-23 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.00\/6.113"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2014-04-01 00:00:00",
                        "date_to": "2014-05-23 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2014-04-01 00:00:00",
                        "date_to": "2014-05-23 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "GR10 receiver connected to ALDCBS1X2\r\nsignal splitter.",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-05-23 00:00:00",
                "date_to": "2015-03-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2014-05-23 00:00:00",
                        "date_to": "2015-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-05-23 00:00:00",
                        "date_to": "2015-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2014-05-23 00:00:00",
                        "date_to": "2015-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2014-05-23 00:00:00",
                        "date_to": "2015-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.03\/6.214"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2014-05-23 00:00:00",
                        "date_to": "2015-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2014-05-23 00:00:00",
                        "date_to": "2015-03-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "GR10 receiver connected to ALDCBS1X2\r\nsignal splitter.",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2015-03-06 00:00:00",
                "date_to": "2015-09-04 14:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2015-03-06 00:00:00",
                        "date_to": "2015-09-04 14:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2015-03-06 00:00:00",
                        "date_to": "2015-09-04 14:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2015-03-06 00:00:00",
                        "date_to": "2015-09-04 14:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2015-03-06 00:00:00",
                        "date_to": "2015-09-04 14:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.11\/6.403"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2015-03-06 00:00:00",
                        "date_to": "2015-09-04 14:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2015-03-06 00:00:00",
                        "date_to": "2015-09-04 14:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Firmware updated",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2015-09-04 14:00:00",
                "date_to": "2015-11-03 11:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2015-09-04 14:00:00",
                        "date_to": "2015-11-03 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2015-09-04 14:00:00",
                        "date_to": "2015-11-03 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2015-09-04 14:00:00",
                        "date_to": "2015-11-03 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2015-09-04 14:00:00",
                        "date_to": "2015-11-03 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.21\/6.403"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2015-09-04 14:00:00",
                        "date_to": "2015-11-03 11:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2015-09-04 14:00:00",
                        "date_to": "2015-11-03 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Firmware updated",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2015-11-03 11:00:00",
                "date_to": "2016-03-16 15:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2015-11-03 11:00:00",
                        "date_to": "2016-03-16 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2015-11-03 11:00:00",
                        "date_to": "2016-03-16 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2015-11-03 11:00:00",
                        "date_to": "2016-03-16 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2015-11-03 11:00:00",
                        "date_to": "2016-03-16 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.22\/6.521"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2015-11-03 11:00:00",
                        "date_to": "2016-03-16 15:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2015-11-03 11:00:00",
                        "date_to": "2016-03-16 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Firmware updated",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2016-03-16 15:00:00",
                "date_to": "2016-06-06 10:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2016-03-16 15:00:00",
                        "date_to": "2016-06-06 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2016-03-16 15:00:00",
                        "date_to": "2016-06-06 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2016-03-16 15:00:00",
                        "date_to": "2016-06-06 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2016-03-16 15:00:00",
                        "date_to": "2016-06-06 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.22\/6.522"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2016-03-16 15:00:00",
                        "date_to": "2016-06-06 10:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2016-03-16 15:00:00",
                        "date_to": "2016-06-06 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Firmware updated",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2016-06-06 10:00:00",
                "date_to": "2016-11-11 13:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2016-06-06 10:00:00",
                        "date_to": "2016-11-11 13:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2016-06-06 10:00:00",
                        "date_to": "2016-11-11 13:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2016-06-06 10:00:00",
                        "date_to": "2016-11-11 13:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2016-06-06 10:00:00",
                        "date_to": "2016-11-11 13:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.00\/6.522"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2016-06-06 10:00:00",
                        "date_to": "2016-11-11 13:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2016-06-06 10:00:00",
                        "date_to": "2016-11-11 13:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Firmware updated",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2016-11-11 13:00:00",
                "date_to": "2017-02-27 07:56:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2016-11-11 13:00:00",
                        "date_to": "2017-02-27 07:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2016-11-11 13:00:00",
                        "date_to": "2017-02-27 07:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2016-11-11 13:00:00",
                        "date_to": "2017-02-27 07:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2016-11-11 13:00:00",
                        "date_to": "2017-02-27 07:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.02\/6.522"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2016-11-11 13:00:00",
                        "date_to": "2017-02-27 07:56:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2016-11-11 13:00:00",
                        "date_to": "2017-02-27 07:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Firmware updated",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2017-02-27 07:56:00",
                "date_to": "2018-03-13 09:25:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2017-02-27 07:56:00",
                        "date_to": "2018-03-13 09:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2017-02-27 07:56:00",
                        "date_to": "2018-03-13 09:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2017-02-27 07:56:00",
                        "date_to": "2018-03-13 09:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2017-02-27 07:56:00",
                        "date_to": "2018-03-13 09:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.11\/6.523"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2017-02-27 07:56:00",
                        "date_to": "2018-03-13 09:25:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2017-02-27 07:56:00",
                        "date_to": "2018-03-13 09:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-03-13 09:25:00",
                "date_to": "2019-04-23 10:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2018-03-13 09:25:00",
                        "date_to": "2019-04-23 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-03-13 09:25:00",
                        "date_to": "2019-04-23 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2018-03-13 09:25:00",
                        "date_to": "2019-04-23 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2018-03-13 09:25:00",
                        "date_to": "2019-04-23 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.20\/6.524"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2018-03-13 09:25:00",
                        "date_to": "2019-04-23 10:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2018-03-13 09:25:00",
                        "date_to": "2019-04-23 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-04-23 10:00:00",
                "date_to": "2019-04-24 09:20:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-04-23 10:00:00",
                        "date_to": "2019-04-24 09:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-04-23 10:00:00",
                        "date_to": "2019-04-24 09:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-04-23 10:00:00",
                        "date_to": "2019-04-24 09:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-04-23 10:00:00",
                        "date_to": "2019-04-24 09:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.20\/6.525"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-04-23 10:00:00",
                        "date_to": "2019-04-24 09:20:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-04-23 10:00:00",
                        "date_to": "2019-04-24 09:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-04-24 09:20:00",
                "date_to": "2019-06-17 05:55:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-04-24 09:20:00",
                        "date_to": "2019-06-17 05:55:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-04-24 09:20:00",
                        "date_to": "2019-06-17 05:55:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-04-24 09:20:00",
                        "date_to": "2019-06-17 05:55:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-04-24 09:20:00",
                        "date_to": "2019-06-17 05:55:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.20\/6.525"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-04-24 09:20:00",
                        "date_to": "2019-06-17 05:55:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-04-24 09:20:00",
                        "date_to": "2019-06-17 05:55:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "New receiver installed",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-06-17 05:55:00",
                "date_to": "2019-12-02 09:38:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-06-17 05:55:00",
                        "date_to": "2019-12-02 09:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR30"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-06-17 05:55:00",
                        "date_to": "2019-12-02 09:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1703003"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-06-17 05:55:00",
                        "date_to": "2019-12-02 09:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-06-17 05:55:00",
                        "date_to": "2019-12-02 09:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.31\/7.403"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-06-17 05:55:00",
                        "date_to": "2019-12-02 09:38:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-06-17 05:55:00",
                        "date_to": "2019-12-02 09:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Former GR10 receiver upgraded to GR30.",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-12-02 09:38:00",
                "date_to": "2022-02-02 10:20:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-12-02 09:38:00",
                        "date_to": "2022-02-02 10:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR30"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-12-02 09:38:00",
                        "date_to": "2022-02-02 10:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-12-02 09:38:00",
                        "date_to": "2022-02-02 10:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-12-02 09:38:00",
                        "date_to": "2022-02-02 10:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.31\/7.403"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-12-02 09:38:00",
                        "date_to": "2022-02-02 10:20:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-12-02 09:38:00",
                        "date_to": "2022-02-02 10:20:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "FW updated",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2022-02-02 10:20:00",
                "date_to": "2023-10-27 12:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2022-02-02 10:20:00",
                        "date_to": "2023-10-27 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR30"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2022-02-02 10:20:00",
                        "date_to": "2023-10-27 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2022-02-02 10:20:00",
                        "date_to": "2023-10-27 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2022-02-02 10:20:00",
                        "date_to": "2023-10-27 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.52\/7.711"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2022-02-02 10:20:00",
                        "date_to": "2023-10-27 12:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2022-02-02 10:20:00",
                        "date_to": "2023-10-27 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2023-10-27 12:00:00",
                "date_to": "2024-04-18 15:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2023-10-27 12:00:00",
                        "date_to": "2024-04-18 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR30"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2023-10-27 12:00:00",
                        "date_to": "2024-04-18 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2023-10-27 12:00:00",
                        "date_to": "2024-04-18 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2023-10-27 12:00:00",
                        "date_to": "2024-04-18 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.70\/7.813"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2023-10-27 12:00:00",
                        "date_to": "2024-04-18 15:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2023-10-27 12:00:00",
                        "date_to": "2024-04-18 15:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "FW update",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2024-04-18 15:00:00",
                "date_to": "2025-10-02 21:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2024-04-18 15:00:00",
                        "date_to": "2025-10-02 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR30"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2024-04-18 15:00:00",
                        "date_to": "2025-10-02 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2024-04-18 15:00:00",
                        "date_to": "2025-10-02 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2024-04-18 15:00:00",
                        "date_to": "2025-10-02 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.80\/7.900"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2024-04-18 15:00:00",
                        "date_to": "2025-10-02 21:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2024-04-18 15:00:00",
                        "date_to": "2025-10-02 21:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2025-10-02 21:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2025-10-02 21:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GR30"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2025-10-02 21:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1700316"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2025-10-02 21:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2025-10-02 21:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.83\/7.900"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2025-10-02 21:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2025-10-02 21:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-02-12 00:00:00",
                "date_to": "2007-07-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAT504"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "102852"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-02-12 00:00:00",
                "date_to": "2007-07-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": "2007-07-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-07-20 00:00:00",
                "date_to": "2007-09-05 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAT504"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "n\/a"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-07-20 00:00:00",
                "date_to": "2007-09-05 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-07-20 00:00:00",
                        "date_to": "2007-09-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-09-05 00:00:00",
                "date_to": "2011-06-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAT504GG"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "102852"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-09-05 00:00:00",
                "date_to": "2011-06-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-09-05 00:00:00",
                        "date_to": "2011-06-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount added",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-06-06 00:00:00",
                "date_to": "2013-12-17 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAR25.R4"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "10351001"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount added",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-06-06 00:00:00",
                "date_to": "2013-12-17 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIT"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2013-12-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2013-12-17 00:00:00",
                "date_to": "2014-07-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAR20"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "16073034"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica+Splitter"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2013-12-17 00:00:00",
                "date_to": "2014-07-11 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIM"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2013-12-17 00:00:00",
                        "date_to": "2014-07-11 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount\r\nA 0.6x0.6 m^2 metal shield was\r\ninstalled with Eccosorb ANW-77 on top. The\r\nspacing between the BPA and the top of the\r\nEccosorb is 8.6 cm",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-07-11 00:00:00",
                "date_to": "2014-10-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAR20"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "16073034"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica+Splitter"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount\r\nA 0.6x0.6 m^2 metal shield was\r\ninstalled with Eccosorb ANW-77 on top. The\r\nspacing between the BPA and the top of the\r\nEccosorb is 8.6 cm",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-07-11 00:00:00",
                "date_to": "2014-10-20 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIM"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-07-11 00:00:00",
                        "date_to": "2014-10-20 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount\r\nA 0.6x0.6 m^2 metal shield was\r\ninstalled with Eccosorb ANW-77 on top. The\r\nspacing between the BPA and the top of the\r\nEccosorb is 8.6 cm",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-10-20 00:00:00",
                "date_to": "2014-12-05 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAT504GG"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "102842"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica+Splitter"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount\r\nA 0.6x0.6 m^2 metal shield was\r\ninstalled with Eccosorb ANW-77 on top. The\r\nspacing between the BPA and the top of the\r\nEccosorb is 8.6 cm",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-10-20 00:00:00",
                "date_to": "2014-12-05 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-10-20 00:00:00",
                        "date_to": "2014-12-05 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount\r\nA 0.6x0.6 m^2 metal shield was\r\ninstalled with Eccosorb ANW-77 on top. The\r\nspacing between the BPA and the top of the\r\nEccosorb is 8.6 cm",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-12-05 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAR20"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "16073034"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica+Splitter"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "SECO Leveling Mount\r\nA 0.6x0.6 m^2 metal shield was\r\ninstalled with Eccosorb ANW-77 on top. The\r\nspacing between the BPA and the top of the\r\nEccosorb is 8.6 cm",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-12-05 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIM"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-12-05 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-02-12 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
                        "date_from": "2007-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-03-04 00:00:00",
                "date_to": "2011-04-08 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MET3A"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PAROSCIENTIFIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DQ107250"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 2,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": -1.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "humidity_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-06-06 00:00:00",
                "date_to": "2019-12-12 12:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MET3"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PAROSCIENTIFIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DQ 96233"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": 2,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": -1.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "humidity_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-12-12 12:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala WXT520"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "R2230367"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": -1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "humidity_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-03-04 00:00:00",
                "date_to": "2011-04-08 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MET3A"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PAROSCIENTIFIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DQ107250"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.08,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": -1.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-06-06 00:00:00",
                "date_to": "2019-12-12 12:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MET3"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PAROSCIENTIFIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DQ 96233"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": 0.08,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": -1.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-12-12 12:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala WXT520"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "R2230367"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": -1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-03-04 00:00:00",
                "date_to": "2011-04-08 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MET3A"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PAROSCIENTIFIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DQ107250"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": -1.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2009-03-04 00:00:00",
                        "date_to": "2011-04-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-06-06 00:00:00",
                "date_to": "2019-12-12 12:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MET3"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PAROSCIENTIFIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DQ 96233"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": 0.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": -1.5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2011-06-06 00:00:00",
                        "date_to": "2019-12-12 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ARA",
                        "address": "Zorroagagaina 11\n20018 SAN SEBASTI\u00c1N\nSpain",
                        "infos": "",
                        "name": "ARANZADI Society of Sciences",
                        "www": ""
                    },
                    "comment": "",
                    "email": "geodesia@aranzadi.eus",
                    "name": "ARANZADI",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-12-12 12:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala WXT520"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "R2230367"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 600,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": -1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2019-12-12 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPN"
        },
        {
            "name": "EPOS"
        },
        {
            "name": "GFA"
        }
    ],
    "station_type": "GNSS Continuous"
}