{
    "cdp_num": null,
    "comment": "DOY for installation not known",
    "conditions": [
        {
            "comments": null,
            "date_from": "1995-01-01 00:00:00",
            "date_to": null,
            "type": "signal_obstructions: MAST"
        }
    ],
    "country": "Norway",
    "country_code_ISO": "NOR",
    "date_from": "1995-01-01 00:00:00",
    "date_to": null,
    "description": "BRASS NAIL",
    "geological": {
        "bedrock": {
            "condition": "WEATHERED",
            "type": "SEDIMENTARY"
        },
        "characteristic": "BEDROCK",
        "distance_to_fault": null,
        "fault_zone": "NO",
        "fracture_spacing": null
    },
    "iers_domes": "10322M002",
    "instrument_collocation": [],
    "local_ties": [
        {
            "accuracy": 1,
            "comment": "Differential coordinates from the GPS\r\nmonument (Marker with Domes No.) to the\r\nBPA.\r\nThe components are parallel to the XYZ-axes\r\nof the global geocentric reference system\r\nITRF (WGS-84). Differential Components from\r\nGPS Mark to Site Reference (ITRS)\r\nARP minus top bolt",
            "cpd_num": null,
            "date_at": "1995-07-17 00:00:00",
            "dx": 1.427,
            "dy": 0.891,
            "dz": 4.744,
            "iers_domes": null,
            "name": "ARP of TRIMBLE permanent L1\/L2",
            "survey_method": "TRIANGULATION",
            "usage": "LOCAL CONTROL\/FOOTPRINT"
        },
        {
            "accuracy": 1,
            "comment": "Differential coordinates from the GPS\r\nmonument (Marker with Domes No.) to the\r\nBPA.\r\nThe components are parallel to the XYZ-axes\r\nof the global geocentric reference system\r\nITRF (WGS-84). Differential Components from\r\nGPS Mark to Site Reference (ITRS)\r\nARP minus top bolt",
            "cpd_num": null,
            "date_at": "1995-07-17 00:00:00",
            "dx": 1.427,
            "dy": 0.891,
            "dz": 4.744,
            "iers_domes": null,
            "name": "BPA TRM29659.00",
            "survey_method": "TRIANGULATION",
            "usage": "LOCAL CONTROL\/FOOTPRINT"
        },
        {
            "accuracy": 2,
            "comment": "Differential coordinates from the GPS\r\nmonument (Marker with Domes No.) to the\r\nARP.\r\nThe components are parallel to the\r\nXYZ-axes\r\nof the global geocentric reference system\r\nITRF (WGS-84). Differential Components from\r\nGPS Mark to Site Reference (ITRS)\r\nARP minus top bolt",
            "cpd_num": null,
            "date_at": "1998-06-16 00:00:00",
            "dx": 1.576,
            "dy": 0.967,
            "dz": 5.192,
            "iers_domes": null,
            "name": "BPA of TRM29659.00",
            "survey_method": "TRIANGULATION",
            "usage": "LOCAL CONTROL\/FOOTPRIN"
        },
        {
            "accuracy": 2,
            "comment": "Differential coordinates from the GPS\r\nmonument (Marker with Domes No.) to the\r\nARP.\r\nThe components are parallel to the\r\nXYZ-axes\r\nof the global geocentric reference system\r\nITRF (WGS-84). Differential Components from\r\nGPS Mark to Site Reference (ITRS)\r\nARP minus top bolt\r\n(SLR\/VLBI\/LOCAL CONTROL\/FOOTPRINT\/etc)\r\n(A4)\r\n(A9)\r\nm GNSS Marker to the tied monument (ITRS)\r\n(m)\r\n(m)\r\n(m)\r\n(mm)\r\n(GPS CAMPAIGN\/TRILATERATION\/TRIANGULATION\/etc)\r\n(CCYY-MM-DDThh:mmZ)\r\n(multiple lines)",
            "cpd_num": null,
            "date_at": "2006-05-23 00:00:00",
            "dx": 1.5778,
            "dy": 0.9656,
            "dz": 5.1945,
            "iers_domes": null,
            "name": "BPA of TRM29659.00",
            "survey_method": "TRIANGULATION",
            "usage": "LOCAL CONTROL\/FOOTPRIN"
        }
    ],
    "location": {
        "city": "Vardoe",
        "coordinates": {
            "X": 1844607.623,
            "Y": 1109719.107,
            "Z": 5983936.007,
            "altitude": 174.8,
            "lat": 70.33637066911936,
            "lon": 31.03118784538309
        },
        "country": "Norway",
        "country_iso_code": "NOR",
        "description": "Local name is : DOMEN",
        "state": "FINNMARK",
        "tectonic": {
            "plate_name": "EURASIAN"
        }
    },
    "logs": {
        "contact": "SATREF Control Centre (satref@kartverket.no)",
        "date": "2024-10-18 00:00:00",
        "log_type": "UPDATE",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "VARS00NOR.xml"
    },
    "marker": "VARS",
    "monument": {
        "description": "STEEL MAST",
        "foundation": "CONCRETE BLOCK",
        "foundation_depth": null,
        "height": 5.5,
        "monument_inscription": "STATENS KARTVERK"
    },
    "monument_num": 0,
    "name": "VARDOE",
    "receiver_num": 0,
    "station_contacts": [
        {
            "contact": {
                "agency": {
                    "abbreviation": "NMA",
                    "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                    "infos": "",
                    "name": "Norwegian Mapping Authority",
                    "www": ""
                },
                "comment": "",
                "email": "satref@kartverket.no",
                "name": "SATREF Control Centre",
                "phone": "",
                "role": "site_owner",
                "title": ""
            }
        },
        {
            "contact": {
                "agency": {
                    "abbreviation": "NMA",
                    "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                    "infos": "",
                    "name": "Norwegian Mapping Authority",
                    "www": ""
                },
                "comment": "",
                "email": "satref@kartverket.no",
                "name": "SATREF Control Centre",
                "phone": "",
                "role": "metadata_custodian",
                "title": ""
            }
        }
    ],
    "station_items": [
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-07-17 00:00:00",
                "date_to": "1998-06-16 18:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3511A10119"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.03"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": 7,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1998-06-16 19:25:00",
                "date_to": "2000-04-17 12:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2000-04-17 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE 4000SSI"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2000-04-17 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3511A10119"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2000-04-17 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2000-04-17 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "7.28"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2000-04-17 12:00:00",
                        "value_date": null,
                        "value_numeric": 7,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2000-04-17 12:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2000-04-17 12:00:00",
                "date_to": "2004-12-14 08:24:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2000-04-17 12:00:00",
                        "date_to": "2004-12-14 08:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE MS750"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2000-04-17 12:00:00",
                        "date_to": "2004-12-14 08:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "220191138"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2000-04-17 12:00:00",
                        "date_to": "2004-12-14 08:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2000-04-17 12:00:00",
                        "date_to": "2004-12-14 08:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.20"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2000-04-17 12:00:00",
                        "date_to": "2004-12-14 08:24:00",
                        "value_date": null,
                        "value_numeric": 7,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2000-04-17 12:00:00",
                        "date_to": "2004-12-14 08:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-12-15 16:44:00",
                "date_to": "2005-01-28 21:43:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2004-12-15 16:44:00",
                        "date_to": "2005-01-28 21:43:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-12-15 16:44:00",
                        "date_to": "2005-01-28 21:43:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4439239123"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2004-12-15 16:44:00",
                        "date_to": "2005-01-28 21:43:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2004-12-15 16:44:00",
                        "date_to": "2005-01-28 21:43:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0.3-3"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2004-12-15 16:44:00",
                        "date_to": "2005-01-28 21:43:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2004-12-15 16:44:00",
                        "date_to": "2005-01-28 21:43:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-02-02 11:25:00",
                "date_to": "2005-07-12 11:18:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2005-02-02 11:25:00",
                        "date_to": "2005-07-12 11:18:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-02-02 11:25:00",
                        "date_to": "2005-07-12 11:18:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4412232892"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2005-02-02 11:25:00",
                        "date_to": "2005-07-12 11:18:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2005-02-02 11:25:00",
                        "date_to": "2005-07-12 11:18:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.1-1"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2005-02-02 11:25:00",
                        "date_to": "2005-07-12 11:18:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2005-02-02 11:25:00",
                        "date_to": "2005-07-12 11:18:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-07-12 11:31:00",
                "date_to": "2006-03-09 16:44:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2005-07-12 11:31:00",
                        "date_to": "2006-03-09 16:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-07-12 11:31:00",
                        "date_to": "2006-03-09 16:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4412232892"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2005-07-12 11:31:00",
                        "date_to": "2006-03-09 16:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2005-07-12 11:31:00",
                        "date_to": "2006-03-09 16:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.1-3"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2005-07-12 11:31:00",
                        "date_to": "2006-03-09 16:44:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2005-07-12 11:31:00",
                        "date_to": "2006-03-09 16:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2006-03-09 16:51:00",
                "date_to": "2009-05-05 11:05:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2006-03-09 16:51:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETRS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2006-03-09 16:51:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4412232892"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2006-03-09 16:51:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2006-03-09 16:51:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "1.1-5"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2006-03-09 16:51:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2006-03-09 16:51:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-05-05 12:38:00",
                "date_to": "2009-08-31 18:54:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2009-08-31 18:54:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR8"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2009-08-31 18:54:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4843K33445"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2009-08-31 18:54:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2009-08-31 18:54:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3.80"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2009-08-31 18:54:00",
                        "value_date": null,
                        "value_numeric": 5,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2009-08-31 18:54:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-08-31 19:07:00",
                "date_to": "2015-01-29 17:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2009-08-31 19:07:00",
                        "date_to": "2015-01-29 17:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR8"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-08-31 19:07:00",
                        "date_to": "2015-01-29 17:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4843K33445"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2009-08-31 19:07:00",
                        "date_to": "2015-01-29 17:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2009-08-31 19:07:00",
                        "date_to": "2015-01-29 17:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.03"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2009-08-31 19:07:00",
                        "date_to": "2015-01-29 17:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2009-08-31 19:07:00",
                        "date_to": "2015-01-29 17:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2015-01-29 17:00:00",
                "date_to": "2016-06-02 12:45:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2015-01-29 17:00:00",
                        "date_to": "2016-06-02 12:45:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR8"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2015-01-29 17:00:00",
                        "date_to": "2016-06-02 12:45:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4843K33445"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2015-01-29 17:00:00",
                        "date_to": "2016-06-02 12:45:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2015-01-29 17:00:00",
                        "date_to": "2016-06-02 12:45:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.41"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2015-01-29 17:00:00",
                        "date_to": "2016-06-02 12:45:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2015-01-29 17:00:00",
                        "date_to": "2016-06-02 12:45:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2016-06-02 12:45:00",
                "date_to": "2017-03-22 12:37:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2016-06-02 12:45:00",
                        "date_to": "2017-03-22 12:37:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2016-06-02 12:45:00",
                        "date_to": "2017-03-22 12:37:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2016-06-02 12:45:00",
                        "date_to": "2017-03-22 12:37:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2016-06-02 12:45:00",
                        "date_to": "2017-03-22 12:37:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.10"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2016-06-02 12:45:00",
                        "date_to": "2017-03-22 12:37:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2016-06-02 12:45:00",
                        "date_to": "2017-03-22 12:37:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2017-03-22 12:37:00",
                "date_to": "2017-10-03 13:56:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2017-03-22 12:37:00",
                        "date_to": "2017-10-03 13:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2017-03-22 12:37:00",
                        "date_to": "2017-10-03 13:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2017-03-22 12:37:00",
                        "date_to": "2017-10-03 13:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2017-03-22 12:37:00",
                        "date_to": "2017-10-03 13:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.20"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2017-03-22 12:37:00",
                        "date_to": "2017-10-03 13:56:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2017-03-22 12:37:00",
                        "date_to": "2017-10-03 13:56:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2017-10-03 13:56:00",
                "date_to": "2018-06-20 14:42:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2017-10-03 13:56:00",
                        "date_to": "2018-06-20 14:42:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2017-10-03 13:56:00",
                        "date_to": "2018-06-20 14:42:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2017-10-03 13:56:00",
                        "date_to": "2018-06-20 14:42:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2017-10-03 13:56:00",
                        "date_to": "2018-06-20 14:42:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.30"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2017-10-03 13:56:00",
                        "date_to": "2018-06-20 14:42:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2017-10-03 13:56:00",
                        "date_to": "2018-06-20 14:42:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-06-20 14:42:00",
                "date_to": "2018-07-30 08:14:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2018-06-20 14:42:00",
                        "date_to": "2018-07-30 08:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-06-20 14:42:00",
                        "date_to": "2018-07-30 08:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2018-06-20 14:42:00",
                        "date_to": "2018-07-30 08:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2018-06-20 14:42:00",
                        "date_to": "2018-07-30 08:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.30"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2018-06-20 14:42:00",
                        "date_to": "2018-07-30 08:14:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2018-06-20 14:42:00",
                        "date_to": "2018-07-30 08:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-07-30 08:14:00",
                "date_to": "2018-11-29 10:08:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2018-07-30 08:14:00",
                        "date_to": "2018-11-29 10:08:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-07-30 08:14:00",
                        "date_to": "2018-11-29 10:08:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2018-07-30 08:14:00",
                        "date_to": "2018-11-29 10:08:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2018-07-30 08:14:00",
                        "date_to": "2018-11-29 10:08:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.30"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2018-07-30 08:14:00",
                        "date_to": "2018-11-29 10:08:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2018-07-30 08:14:00",
                        "date_to": "2018-11-29 10:08:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2018-11-29 10:08:00",
                "date_to": "2019-08-29 17:38:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2018-11-29 10:08:00",
                        "date_to": "2019-08-29 17:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2018-11-29 10:08:00",
                        "date_to": "2019-08-29 17:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2018-11-29 10:08:00",
                        "date_to": "2019-08-29 17:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2018-11-29 10:08:00",
                        "date_to": "2019-08-29 17:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.37"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2018-11-29 10:08:00",
                        "date_to": "2019-08-29 17:38:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2018-11-29 10:08:00",
                        "date_to": "2019-08-29 17:38:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-08-29 17:38:00",
                "date_to": "2019-10-31 17:44:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-08-29 17:38:00",
                        "date_to": "2019-10-31 17:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-08-29 17:38:00",
                        "date_to": "2019-10-31 17:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-08-29 17:38:00",
                        "date_to": "2019-10-31 17:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-08-29 17:38:00",
                        "date_to": "2019-10-31 17:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.42"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-08-29 17:38:00",
                        "date_to": "2019-10-31 17:44:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-08-29 17:38:00",
                        "date_to": "2019-10-31 17:44:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-10-31 17:44:00",
                "date_to": "2020-01-30 20:30:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2019-10-31 17:44:00",
                        "date_to": "2020-01-30 20:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-10-31 17:44:00",
                        "date_to": "2020-01-30 20:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2019-10-31 17:44:00",
                        "date_to": "2020-01-30 20:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2019-10-31 17:44:00",
                        "date_to": "2020-01-30 20:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.43"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2019-10-31 17:44:00",
                        "date_to": "2020-01-30 20:30:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2019-10-31 17:44:00",
                        "date_to": "2020-01-30 20:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2020-01-30 20:30:00",
                "date_to": "2021-11-25 18:24:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2020-01-30 20:30:00",
                        "date_to": "2021-11-25 18:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2020-01-30 20:30:00",
                        "date_to": "2021-11-25 18:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2020-01-30 20:30:00",
                        "date_to": "2021-11-25 18:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2020-01-30 20:30:00",
                        "date_to": "2021-11-25 18:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.44"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2020-01-30 20:30:00",
                        "date_to": "2021-11-25 18:24:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2020-01-30 20:30:00",
                        "date_to": "2021-11-25 18:24:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2021-11-25 18:24:00",
                "date_to": "2024-09-12 10:14:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2021-11-25 18:24:00",
                        "date_to": "2024-09-12 10:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2021-11-25 18:24:00",
                        "date_to": "2024-09-12 10:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2021-11-25 18:24:00",
                        "date_to": "2024-09-12 10:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2021-11-25 18:24:00",
                        "date_to": "2024-09-12 10:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.52"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2021-11-25 18:24:00",
                        "date_to": "2024-09-12 10:14:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2021-11-25 18:24:00",
                        "date_to": "2024-09-12 10:14:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2024-09-12 10:14:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2024-09-12 10:14:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRIMBLE NETR9"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2024-09-12 10:14:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5548R50552"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2024-09-12 10:14:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+BDS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2024-09-12 10:14:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5.63"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2024-09-12 10:14:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2024-09-12 10:14:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NaN"
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "The antenna type TR GEOD L1\/L2 GP\r\nis not the right type\r\n45 degree angel roof made of glassfiber",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-07-17 00:00:00",
                "date_to": "1997-10-16 10:40:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM23903.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "xxx"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": 5.033,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": 0.014,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": 0.028,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Suhner 50"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "The antenna type TR GEOD L1\/L2 GP\r\nis not the right type\r\n45 degree angel roof made of glassfiber",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-07-17 00:00:00",
                "date_to": "1997-10-16 10:40:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": "1997-10-16 10:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "N\/A"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "Degree Offset from North : 180?\r\nAntenna contact pointed towards South\r\n45 degree angle dome made of glassfiber",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1997-10-16 11:13:00",
                "date_to": "1998-06-16 18:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM29659.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220098649"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": 5.033,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": 0.014,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": 0.028,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": 180,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Suhner 50"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Degree Offset from North : 180?\r\nAntenna contact pointed towards South\r\n45 degree angle dome made of glassfiber",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1997-10-16 11:13:00",
                "date_to": "1998-06-16 18:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DOME"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1997-10-16 11:13:00",
                        "date_to": "1998-06-16 18:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220098649"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "Antenna contact points towards North\r\nSCIS Installed 18-APR-2000 11:15 UT\r\nDegree Offset from North : 0?",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1998-06-16 19:25:00",
                "date_to": "2009-05-05 11:05:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM29659.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "0220098649"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": 5.512,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": 0.006,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": 0.017,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Suhner 50"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Antenna contact points towards North\r\nSCIS Installed 18-APR-2000 11:15 UT\r\nDegree Offset from North : 0?",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1998-06-16 19:25:00",
                "date_to": "2009-05-05 11:05:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "SCIS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1998-06-16 19:25:00",
                        "date_to": "2009-05-05 11:05:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "00012"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-05-05 12:38:00",
                "date_to": "2010-06-28 16:04:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM55971.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "31050617"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": 5.512,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": 0.006,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": 0.017,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Suhner 50"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-05-05 12:38:00",
                "date_to": "2010-06-28 16:04:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TZGD"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-05-05 12:38:00",
                        "date_to": "2010-06-28 16:04:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "31050617"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-06-28 16:40:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "TRM59800.00"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4941353544"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 5.512,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0.006,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0.017,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Suhner 50"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2010-06-28 16:40:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "SCIS"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2010-06-28 16:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4941353544"
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NMA",
                        "address": "Kartverksveien 21 \/ P.O.Box 600 Sentrum\nN-3507 Honefoss\nNorway",
                        "infos": "",
                        "name": "Norwegian Mapping Authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "satref@kartverket.no",
                    "name": "SATREF Control Centre",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-07-17 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
                        "date_from": "1995-07-17 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPN"
        },
        {
            "name": "EPOS"
        },
        {
            "name": "NMA-CORS"
        }
    ],
    "station_type": "GNSS Continuous"
}