{
    "cdp_num": null,
    "comment": "The antenna is 2,10 m above the\r\nground. The antenna is connected\r\nabove the marker on an steel\r\nantenna mount, fastened on the\r\ntop of the concrete pillar",
    "conditions": [],
    "country": "Germany",
    "country_code_ISO": "DEU",
    "date_from": "2015-03-17 12:40:00",
    "date_to": null,
    "description": "SURVEY MARKER BOLT",
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            "condition": "WEATHERED",
            "type": null
        },
        "characteristic": "Bedrock",
        "distance_to_fault": null,
        "fault_zone": "NO",
        "fracture_spacing": "51-200"
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    "iers_domes": "14201M024",
    "instrument_collocation": [
        {
            "comment": "",
            "date_from": "1977-01-01 00:00:00",
            "date_to": "1991-12-31 00:00:00",
            "status": "PERMANENT",
            "type": "SLR (7834)"
        },
        {
            "comment": "",
            "date_from": "1983-01-01 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
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        },
        {
            "comment": "",
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            "date_to": "1993-12-31 00:00:00",
            "status": "PERMANENT",
            "type": "TRANSIT NNSS-DMA DOPPLER"
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        {
            "comment": "",
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            "date_to": "1997-12-31 00:00:00",
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        {
            "comment": "CIGNET GPS Station",
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            "date_to": "1989-07-27 00:00:00",
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            "type": "TI-4100 GPS"
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        {
            "comment": "",
            "date_from": "1988-01-01 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
            "type": "SLR WLRS (8834)"
        },
        {
            "comment": "",
            "date_from": "1989-01-01 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
            "type": "SUPER CONDUCTING GRAVIMETER"
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        {
            "comment": "CIGNET GPS Station",
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            "date_to": "1991-07-23 00:00:00",
            "status": "PERMANENT",
            "type": "MINIMAC 2816 AT GPS"
        },
        {
            "comment": "",
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            "date_to": null,
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        {
            "comment": "",
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            "date_to": null,
            "status": "PERMANENT",
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        },
        {
            "comment": "CIGNET \/ CORE \/ IGS Station",
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            "date_to": "1997-02-02 00:00:00",
            "status": "PERMANENT",
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        {
            "comment": "",
            "date_from": "1994-01-01 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
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        },
        {
            "comment": "IGS Referece Frame Station",
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            "date_to": "1999-06-17 00:00:00",
            "status": "PERMANENT",
            "type": "ROGUE SNR-8000 GPS WTZR # 1202"
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        {
            "comment": "TIGO Transportable Integrated\r\nGeodetic Observatory",
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            "date_to": "2001-12-01 00:00:00",
            "status": "PERMANENT",
            "type": "TIGO SLR"
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        {
            "comment": "TIGO Transportable Integrated\r\nGeodetc Observatory",
            "date_from": "1997-01-01 00:00:00",
            "date_to": "2001-12-01 00:00:00",
            "status": "PERMANENT",
            "type": "TIGO VLBI"
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        {
            "comment": "",
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            "type": "TRIMBLE 4000SSI WTZT # 1201"
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        {
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            "date_to": "2001-11-08 00:00:00",
            "status": "PERMANENT",
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        {
            "comment": "",
            "date_from": "1998-10-14 00:00:00",
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        {
            "comment": "",
            "date_from": "1999-02-01 00:00:00",
            "date_to": "2003-06-10 00:00:00",
            "status": "PERMANENT",
            "type": "ASHTECH Z-18 GPS+GLO WTZZ #1205"
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        {
            "comment": "IGS Reference Frame Station",
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            "date_to": "2005-05-04 00:00:00",
            "status": "PERMANENT",
            "type": "AOA SNR-8000 ACT GPS WTZR # 1202"
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        {
            "comment": "",
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        {
            "comment": "",
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        {
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        {
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            "date_to": "2007-09-05 00:00:00",
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        {
            "comment": "IGS Reference Frame Station",
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            "date_to": "2011-02-15 00:00:00",
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        {
            "comment": "",
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        {
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            "date_to": "2008-01-28 00:00:00",
            "status": "PERMANENT",
            "type": "TPS NETG3 GPS+GLONASS WTZR # 1202"
        },
        {
            "comment": "",
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            "date_to": "2008-01-25 00:00:00",
            "status": "PERMANENT",
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        {
            "comment": "",
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        {
            "comment": "IGS Reference Frame Station",
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        {
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        {
            "comment": "IGS Reference Frame Station",
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        "date": "2023-05-09 00:00:00",
        "log_type": "UPDATE",
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        "previous": "UNAVAILABLE",
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                ],
                "item_type": {
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            }
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}