{
    "cdp_num": null,
    "comment": null,
    "conditions": [],
    "country": "Belgium",
    "country_code_ISO": "BEL",
    "date_from": "2002-10-04 00:00:00",
    "date_to": null,
    "description": null,
    "geological": {
        "bedrock": {
            "condition": null,
            "type": null
        },
        "characteristic": "SAND",
        "distance_to_fault": null,
        "fault_zone": null,
        "fracture_spacing": null
    },
    "iers_domes": "13168M001",
    "instrument_collocation": [],
    "local_ties": [],
    "location": {
        "city": "Ruiselede",
        "coordinates": {
            "X": 4007569.89,
            "Y": 233971.93,
            "Z": 4939819.13,
            "altitude": 78,
            "lat": 51.08883981179426,
            "lon": 3.3412777527835456
        },
        "country": "Belgium",
        "country_iso_code": "BEL",
        "description": "",
        "state": "West-Vlaanderen",
        "tectonic": {
            "plate_name": "EURASIAN"
        }
    },
    "logs": {
        "contact": "GNSSatROB (gnss@oma.be)",
        "date": "2025-05-21 00:00:00",
        "log_type": "UPDATE",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "RUIS00BEL.xml"
    },
    "marker": "RUIS",
    "monument": {
        "description": "",
        "foundation": "Concrete",
        "foundation_depth": null,
        "height": null,
        "monument_inscription": "None"
    },
    "monument_num": 0,
    "name": "RUISELEDE",
    "receiver_num": 0,
    "station_contacts": [
        {
            "contact": {
                "agency": {
                    "abbreviation": "DV",
                    "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                    "infos": "",
                    "name": "Digitaal Vlaanderen",
                    "www": ""
                },
                "comment": "",
                "email": "support.flepos@kb.vlaanderen.be",
                "name": "FLEPOS Support",
                "phone": "",
                "role": "site_owner",
                "title": ""
            }
        },
        {
            "contact": {
                "agency": {
                    "abbreviation": "ROB",
                    "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                    "infos": "",
                    "name": "Royal Observatory of Belgium",
                    "www": ""
                },
                "comment": "",
                "email": "gnss@oma.be",
                "name": "GNSSatROB",
                "phone": "",
                "role": "metadata_custodian",
                "title": ""
            }
        }
    ],
    "station_items": [
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-10-04 00:00:00",
                "date_to": "2010-09-16 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA SR530"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "38348"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.10"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-09-16 00:00:00",
                "date_to": "2010-09-27 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2010-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200+GNSS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2010-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "495743"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2010-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2010-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.00"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2010-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2010-09-27 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-09-27 00:00:00",
                "date_to": "2011-01-24 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2010-09-27 00:00:00",
                        "date_to": "2011-01-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200+GNSS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-09-27 00:00:00",
                        "date_to": "2011-01-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "495743"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2010-09-27 00:00:00",
                        "date_to": "2011-01-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2010-09-27 00:00:00",
                        "date_to": "2011-01-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.01"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2010-09-27 00:00:00",
                        "date_to": "2011-01-24 00:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2010-09-27 00:00:00",
                        "date_to": "2011-01-24 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-01-24 00:00:00",
                "date_to": "2011-05-22 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2011-01-24 00:00:00",
                        "date_to": "2011-05-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200+GNSS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-01-24 00:00:00",
                        "date_to": "2011-05-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "495743"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2011-01-24 00:00:00",
                        "date_to": "2011-05-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2011-01-24 00:00:00",
                        "date_to": "2011-05-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.10"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2011-01-24 00:00:00",
                        "date_to": "2011-05-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2011-01-24 00:00:00",
                        "date_to": "2011-05-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2011-05-22 00:00:00",
                "date_to": "2012-01-15 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2011-05-22 00:00:00",
                        "date_to": "2012-01-15 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200+GNSS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2011-05-22 00:00:00",
                        "date_to": "2012-01-15 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "495743"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2011-05-22 00:00:00",
                        "date_to": "2012-01-15 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2011-05-22 00:00:00",
                        "date_to": "2012-01-15 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.20"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2011-05-22 00:00:00",
                        "date_to": "2012-01-15 00:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2011-05-22 00:00:00",
                        "date_to": "2012-01-15 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2012-01-15 00:00:00",
                "date_to": "2012-03-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2012-01-15 00:00:00",
                        "date_to": "2012-03-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200+GNSS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2012-01-15 00:00:00",
                        "date_to": "2012-03-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "495743"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2012-01-15 00:00:00",
                        "date_to": "2012-03-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2012-01-15 00:00:00",
                        "date_to": "2012-03-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.50"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2012-01-15 00:00:00",
                        "date_to": "2012-03-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2012-01-15 00:00:00",
                        "date_to": "2012-03-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Site is closed",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2012-03-12 00:00:00",
                "date_to": "2013-10-01 06:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2012-03-12 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA GRX1200+GNSS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2012-03-12 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "495743"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2012-03-12 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2012-03-12 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8.51"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2012-03-12 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2012-03-12 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Site is reopened",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-02-09 12:00:00",
                "date_to": "2018-05-14 08:25:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2018-02-09 12:00:00",
                        "date_to": "2018-05-14 08:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-02-09 12:00:00",
                        "date_to": "2018-05-14 08:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2018-02-09 12:00:00",
                        "date_to": "2018-05-14 08:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2018-02-09 12:00:00",
                        "date_to": "2018-05-14 08:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.22"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2018-02-09 12:00:00",
                        "date_to": "2018-05-14 08:25:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2018-02-09 12:00:00",
                        "date_to": "2018-05-14 08:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-05-14 08:35:00",
                "date_to": "2018-12-06 10:15:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2018-05-14 08:35:00",
                        "date_to": "2018-12-06 10:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-05-14 08:35:00",
                        "date_to": "2018-12-06 10:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2018-05-14 08:35:00",
                        "date_to": "2018-12-06 10:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2018-05-14 08:35:00",
                        "date_to": "2018-12-06 10:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.33"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2018-05-14 08:35:00",
                        "date_to": "2018-12-06 10:15:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2018-05-14 08:35:00",
                        "date_to": "2018-12-06 10:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-12-06 10:15:00",
                "date_to": "2019-09-24 14:26:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2018-12-06 10:15:00",
                        "date_to": "2019-09-24 14:26:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-12-06 10:15:00",
                        "date_to": "2019-09-24 14:26:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2018-12-06 10:15:00",
                        "date_to": "2019-09-24 14:26:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2018-12-06 10:15:00",
                        "date_to": "2019-09-24 14:26:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.37"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2018-12-06 10:15:00",
                        "date_to": "2019-09-24 14:26:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2018-12-06 10:15:00",
                        "date_to": "2019-09-24 14:26:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-09-24 14:31:00",
                "date_to": "2019-11-08 14:22:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-09-24 14:31:00",
                        "date_to": "2019-11-08 14:22:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-09-24 14:31:00",
                        "date_to": "2019-11-08 14:22:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-09-24 14:31:00",
                        "date_to": "2019-11-08 14:22:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-09-24 14:31:00",
                        "date_to": "2019-11-08 14:22:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.42"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-09-24 14:31:00",
                        "date_to": "2019-11-08 14:22:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-09-24 14:31:00",
                        "date_to": "2019-11-08 14:22:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-11-08 14:30:00",
                "date_to": "2020-03-10 12:30:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-11-08 14:30:00",
                        "date_to": "2020-03-10 12:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-11-08 14:30:00",
                        "date_to": "2020-03-10 12:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-11-08 14:30:00",
                        "date_to": "2020-03-10 12:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-11-08 14:30:00",
                        "date_to": "2020-03-10 12:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.43"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-11-08 14:30:00",
                        "date_to": "2020-03-10 12:30:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-11-08 14:30:00",
                        "date_to": "2020-03-10 12:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2020-03-10 12:50:00",
                "date_to": "2020-10-28 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2020-03-10 12:50:00",
                        "date_to": "2020-10-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2020-03-10 12:50:00",
                        "date_to": "2020-10-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2020-03-10 12:50:00",
                        "date_to": "2020-10-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2020-03-10 12:50:00",
                        "date_to": "2020-10-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.44"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2020-03-10 12:50:00",
                        "date_to": "2020-10-28 00:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2020-03-10 12:50:00",
                        "date_to": "2020-10-28 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "RINEX 3 data available",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2020-10-28 00:00:00",
                "date_to": "2021-01-25 17:25:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2020-10-28 00:00:00",
                        "date_to": "2021-01-25 17:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2020-10-28 00:00:00",
                        "date_to": "2021-01-25 17:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2020-10-28 00:00:00",
                        "date_to": "2021-01-25 17:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2020-10-28 00:00:00",
                        "date_to": "2021-01-25 17:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.44"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2020-10-28 00:00:00",
                        "date_to": "2021-01-25 17:25:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2020-10-28 00:00:00",
                        "date_to": "2021-01-25 17:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2021-01-25 17:35:00",
                "date_to": "2021-06-03 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2021-01-25 17:35:00",
                        "date_to": "2021-06-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2021-01-25 17:35:00",
                        "date_to": "2021-06-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2021-01-25 17:35:00",
                        "date_to": "2021-06-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2021-01-25 17:35:00",
                        "date_to": "2021-06-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.45"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2021-01-25 17:35:00",
                        "date_to": "2021-06-03 16:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2021-01-25 17:35:00",
                        "date_to": "2021-06-03 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2021-06-03 16:05:00",
                "date_to": "2021-09-17 12:15:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2021-06-03 16:05:00",
                        "date_to": "2021-09-17 12:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2021-06-03 16:05:00",
                        "date_to": "2021-09-17 12:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2021-06-03 16:05:00",
                        "date_to": "2021-09-17 12:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2021-06-03 16:05:00",
                        "date_to": "2021-09-17 12:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.50"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2021-06-03 16:05:00",
                        "date_to": "2021-09-17 12:15:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2021-06-03 16:05:00",
                        "date_to": "2021-09-17 12:15:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2021-09-17 12:20:00",
                "date_to": "2022-10-04 11:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2021-09-17 12:20:00",
                        "date_to": "2022-10-04 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2021-09-17 12:20:00",
                        "date_to": "2022-10-04 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2021-09-17 12:20:00",
                        "date_to": "2022-10-04 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2021-09-17 12:20:00",
                        "date_to": "2022-10-04 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.52"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2021-09-17 12:20:00",
                        "date_to": "2022-10-04 11:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2021-09-17 12:20:00",
                        "date_to": "2022-10-04 11:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2022-10-04 11:00:00",
                "date_to": "2024-03-25 09:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2022-10-04 11:00:00",
                        "date_to": "2024-03-25 09:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2022-10-04 11:00:00",
                        "date_to": "2024-03-25 09:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2022-10-04 11:00:00",
                        "date_to": "2024-03-25 09:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2022-10-04 11:00:00",
                        "date_to": "2024-03-25 09:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.55"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2022-10-04 11:00:00",
                        "date_to": "2024-03-25 09:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2022-10-04 11:00:00",
                        "date_to": "2024-03-25 09:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2024-03-25 09:00:00",
                "date_to": "2025-05-19 12:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2024-03-25 09:00:00",
                        "date_to": "2025-05-19 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2024-03-25 09:00:00",
                        "date_to": "2025-05-19 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2024-03-25 09:00:00",
                        "date_to": "2025-05-19 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2024-03-25 09:00:00",
                        "date_to": "2025-05-19 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.63"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2024-03-25 09:00:00",
                        "date_to": "2025-05-19 12:00:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2024-03-25 09:00:00",
                        "date_to": "2025-05-19 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2025-05-19 12:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2025-05-19 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2025-05-19 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5639R50244"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2025-05-19 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2025-05-19 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.68"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2025-05-19 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2025-05-19 12:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-10-04 00:00:00",
                "date_to": "2010-09-16 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAT504"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Unknown"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": 25,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-10-04 00:00:00",
                "date_to": "2010-09-16 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": "2010-09-16 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "None"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "Site is closed",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-09-16 00:00:00",
                "date_to": "2013-10-01 06:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAR25.R3"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "09330048"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": 25,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Site is closed",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-09-16 00:00:00",
                "date_to": "2013-10-01 06:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIT"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-09-16 00:00:00",
                        "date_to": "2013-10-01 06:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "None"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-02-09 10:00:00",
                "date_to": "2018-03-26 10:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM115000.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "09370006"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": 0.003,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": 25,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-02-09 10:00:00",
                "date_to": "2018-03-26 10:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-02-09 10:00:00",
                        "date_to": "2018-03-26 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "None"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "Site is reopened",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-03-26 11:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM115000.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1551000358"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0.003,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Leica"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 25,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Site is reopened",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-03-26 11:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-03-26 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "None"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ROB",
                        "address": "Av. Circulaire 3\n1180 Brussels\nBelgium",
                        "infos": "",
                        "name": "Royal Observatory of Belgium",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss@oma.be",
                    "name": "GNSSatROB",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "DV",
                        "address": "Koningin Maria Hendrikaplein 70 bus 110\n9000 Ghent\nBelgium",
                        "infos": "",
                        "name": "Digitaal Vlaanderen",
                        "www": ""
                    },
                    "comment": "",
                    "email": "support.flepos@kb.vlaanderen.be",
                    "name": "FLEPOS Support",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2002-10-04 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
                        "date_from": "2002-10-04 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPOS"
        },
        {
            "name": "FLEPOS"
        }
    ],
    "station_type": "GNSS Continuous"
}