{
    "cdp_num": null,
    "comment": "Basaltic Lava. The lava is glacialy scoured.\r\nThe Survey Marker Bolt is anchored into the\r\nconcrete of the balustrade wall on the top of\r\nthe elevator tower in the building for the\r\nEngineering Research Institute in the\r\nUniversity Reykjavik. The antenna is 13.5 m\r\nabove the ground, 1.5 m above the roof of the\r\nbuilding, 0.5 m above the roof of the\r\nelevator tower and 0.2 m above the balustrade\r\nwall. The building foundation is 21 m to the\r\nrock.\r\nIn addition an ASHTECH Z-18\r\nGPS+GLONASS receiver was\r\noperating from 1998-09-11 until\r\n2004-10-05 and a JPS LEGACY\r\nGPS+GLONASS receiver was operating\r\nfrom 2004-10-05 until 2007-09-19,\r\nfour character ID REYZ, Domes No.\r\n10202M003.",
    "conditions": [],
    "country": "Iceland",
    "country_code_ISO": "ISL",
    "date_from": "1995-11-02 00:00:00",
    "date_to": null,
    "description": "SURVEY MARKER BOLT",
    "geological": {
        "bedrock": {
            "condition": null,
            "type": null
        },
        "characteristic": "BEDROCK",
        "distance_to_fault": null,
        "fault_zone": "YES",
        "fracture_spacing": "51-200"
    },
    "iers_domes": "10202M001",
    "instrument_collocation": [
        {
            "comment": "Four Character ID REYB",
            "date_from": "1990-07-04 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
            "type": "DORIS"
        },
        {
            "comment": "",
            "date_from": "1998-09-11 00:00:00",
            "date_to": "2004-10-05 00:00:00",
            "status": "PERMANENT",
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        },
        {
            "comment": "",
            "date_from": "2004-10-05 00:00:00",
            "date_to": "2007-09-19 00:00:00",
            "status": "PERMANENT",
            "type": "GPS+GLONASS REYZ JPS LEGACY"
        }
    ],
    "local_ties": [
        {
            "accuracy": 2,
            "comment": "Four character ID REYB",
            "cpd_num": null,
            "date_at": "1998-08-01 00:00:00",
            "dx": -1856.22,
            "dy": -1334.644,
            "dz": 595.235,
            "iers_domes": null,
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            "survey_method": "GPS",
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        },
        {
            "accuracy": null,
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            "cpd_num": null,
            "date_at": null,
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            "dy": 0,
            "dz": 0,
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            "usage": "GPS+GLONASS"
        }
    ],
    "location": {
        "city": "Reykjavik",
        "coordinates": {
            "X": 2587383.9,
            "Y": -1043033.6,
            "Z": 5716564.2,
            "altitude": 93,
            "lat": 64.13878763363991,
            "lon": -21.955490390346917
        },
        "country": "Iceland",
        "country_iso_code": "ISL",
        "description": "",
        "state": "",
        "tectonic": {
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        }
    },
    "logs": {
        "contact": "GOW Operator (gnss_wtz@bkg.bund.de)",
        "date": "2025-02-24 00:00:00",
        "log_type": "UPDATE",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "REYK00ISL.xml"
    },
    "marker": "REYK",
    "monument": {
        "description": "Concrete Balustrade Wall",
        "foundation": "CONCRETE",
        "foundation_depth": null,
        "height": 0.5,
        "monument_inscription": null
    },
    "monument_num": 0,
    "name": "Reykjavik \/ Iceland",
    "receiver_num": 0,
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            "contact": {
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                    "name": "Bundesamt fuer Kartographie und Geodaesie",
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                "comment": "",
                "email": "gnss_wtz@bkg.bund.de",
                "name": "GOW Operator",
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        },
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                "email": "gnss_wtz@bkg.bund.de",
                "name": "GOW Operator",
                "phone": "+49 9941 6030",
                "role": "metadata_custodian",
                "title": ""
            }
        }
    ],
    "station_items": [
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            "item": {
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                "contact_as_owner": {
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                "date_from": "1995-11-02 00:00:00",
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                    },
                    {
                        "attribute": {
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                ],
                "item_type": {
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                    "role": "metadata_custodian",
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                },
                "date_from": "1998-09-13 00:00:00",
                "date_to": "1999-07-21 11:00:00",
                "item_attributes": [
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                    },
                    {
                        "attribute": {
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                    {
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                        "attribute": {
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                ],
                "item_type": {
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            }
        },
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            "item": {
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                    },
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                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
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                    "role": "site_owner",
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                "contact_as_producer": {
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                    },
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                },
                "date_from": "1999-07-21 11:00:00",
                "date_to": "2000-07-11 09:00:00",
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                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-05-14 18:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
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                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
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                        "value_varchar": "LEIAR25.R4"
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                    {
                        "attribute": {
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                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "725281"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
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                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
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                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
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                        "date_from": "2019-05-14 18:00:00",
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                        "attribute": {
                            "name": "marker_arp_north_ecc"
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                        "date_from": "2019-05-14 18:00:00",
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                        "value_numeric": 0,
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                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
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                        "date_from": "2019-05-14 18:00:00",
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                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
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                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
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                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "ECOFLEX 15"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Antenna mount tribach replaced by Seco stainless steel. Antenna height changes about 6mm to lower value.",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
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                        "name": "Bundesamt fuer Kartographie und Geodaesie",
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                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-05-14 18:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
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                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
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                        "value_numeric": null,
                        "value_varchar": "LEIT"
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                    {
                        "attribute": {
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                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
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                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
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                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-11-02 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
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                        "date_from": "1995-11-02 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
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                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
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        {
            "item": {
                "comment": "The Humidity Sensor was\r\n1.0 m below the antenna.",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-11-02 00:00:00",
                "date_to": "2001-08-22 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
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                        "date_to": "2001-08-22 00:00:00",
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                    {
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                        "value_date": null,
                        "value_numeric": 900,
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                    {
                        "attribute": {
                            "name": "accuracy"
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                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 1.5,
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                    },
                    {
                        "attribute": {
                            "name": "aspiration"
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                        "date_to": "2001-08-22 00:00:00",
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                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
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                        "date_to": "2001-08-22 00:00:00",
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                        "value_numeric": 1,
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                    {
                        "attribute": {
                            "name": "calibration_date"
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                    }
                ],
                "item_type": {
                    "name": "humidity_sensor"
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            }
        },
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            "item": {
                "comment": "The Humidity Sensor is\r\n1.0 below the antenna.",
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                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
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                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-22 00:00:00",
                "date_to": "2004-10-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
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                ],
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            }
        },
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            "item": {
                "comment": "The Humidity Sensor is\r\n1.0 below the antenna.",
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                        "abbreviation": "BKG",
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                        "name": "Bundesamt fuer Kartographie und Geodaesie",
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                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
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                    "role": "site_owner",
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                        "name": "Bundesamt fuer Kartographie und Geodaesie",
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                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
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                "date_from": "2004-10-12 00:00:00",
                "date_to": "2019-05-14 10:00:00",
                "item_attributes": [
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                        "attribute": {
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                ],
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                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
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                "contact_as_producer": {
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                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
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                "date_from": "2019-05-14 18:00:00",
                "date_to": null,
                "item_attributes": [
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                ],
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        },
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            "item": {
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                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
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                    },
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                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
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                    "role": "site_owner",
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                    "email": "gnss_wtz@bkg.bund.de",
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                    "role": "metadata_custodian",
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                "item_attributes": [
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                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3195A094"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 900,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 4,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "The pressure Sensor is\r\n4.0 m below the antenna",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-22 00:00:00",
                "date_to": "2004-10-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "APS 9215"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "L-TECH LEIBENGUTH"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "05034599A"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 900,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 4,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "The pressure Sensor is\r\n4.0 m below the antenna",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-10-12 00:00:00",
                "date_to": "2019-05-14 10:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "APS 9215"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "L-TECH LEIBENGUTH"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "5198A504"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": 900,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": 0.1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": 4,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "The pressure sensor is 1.1m above the antenna",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-05-14 18:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala WXT520"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "L4310381"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 900,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 1.1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": "2016-03-01 00:00:00",
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "The Temperature Sensor was\r\n1.0 m below the antenna",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-11-02 00:00:00",
                "date_to": "2001-08-22 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MP408A-T4-W4W"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "ROTRONIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "6377"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 900,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.3,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PLATINUM PROBE"
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": 1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "1995-11-02 00:00:00",
                        "date_to": "2001-08-22 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "The Temperature Sensor is\r\n1.0 m below the antenna",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2001-08-22 00:00:00",
                "date_to": "2004-10-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MP408A-T4-W4W"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "ROTRONIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "14564 008"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 900,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.3,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PLATINUM PROBE"
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2001-08-22 00:00:00",
                        "date_to": "2004-10-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "The Temperature Sensor is\r\n1.0 m below the antenna",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2004-10-12 00:00:00",
                "date_to": "2019-05-14 10:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "MP408A-T4-W4W"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "ROTRONIC"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "21206 003"
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
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                    },
                    {
                        "attribute": {
                            "name": "accuracy"
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                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": 0.3,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
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                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "PLATINUM PROBE"
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": 1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "2004-10-12 00:00:00",
                        "date_to": "2019-05-14 10:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "The humidity sensor is 1.1m above the antenna",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "BKG",
                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
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                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
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                        "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany",
                        "infos": "",
                        "name": "Bundesamt fuer Kartographie und Geodaesie",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnss_wtz@bkg.bund.de",
                    "name": "GOW Operator",
                    "phone": "+49 9941 6030",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-05-14 18:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2019-05-14 18:00:00",
                        "date_to": null,
                        "value_date": null,
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                        "value_varchar": "Vaisala WXT520"
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                        "date_from": "2019-05-14 18:00:00",
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                        "value_varchar": "Vaisala"
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    ],
    "station_networks": [
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        },
        {
            "name": "EPOS"
        },
        {
            "name": "IGS"
        }
    ],
    "station_type": "GNSS Continuous"
}