{
    "cdp_num": null,
    "comment": "Swedish permanent GPS Network (SWEPOS)\r\nThe same monument and antenna has been used for\r\nthe IGEX\/IGLOS-site MR6G up to 2003-08-19",
    "conditions": [
        {
            "comments": "The growing forrest arround the station have\r\nstarted to block signals from satellites at low\r\nelevations.",
            "date_from": "2015-01-01 00:00:00",
            "date_to": "2020-06-22 00:00:00",
            "type": "signal_obstructions: TREES"
        },
        {
            "comments": null,
            "date_from": "2010-03-02 00:00:00",
            "date_to": "2010-03-02 00:00:00",
            "type": "local_episodic_effect: The radome was cleared from snow at 8:30 UTC."
        },
        {
            "comments": null,
            "date_from": "2012-08-15 00:00:00",
            "date_to": "2012-08-15 00:00:00",
            "type": "local_episodic_effect: The radome was removed 10:32-16:03 UTC  forlocal tie\/stability measurements"
        },
        {
            "comments": null,
            "date_from": "2015-01-15 00:00:00",
            "date_to": "2015-01-15 00:00:00",
            "type": "local_episodic_effect: The radome was cleared from snow at approx.11:00 UTC."
        },
        {
            "comments": null,
            "date_from": "2015-06-03 00:00:00",
            "date_to": "2015-06-05 00:00:00",
            "type": "local_episodic_effect: The station was sabotaged on June 3, at approx.14:00 UTC. The radome was broken and the antennaaltered.The broken radome was removed and the antennawas corrected on June 5, at approx. 9:30 UTC."
        },
        {
            "comments": null,
            "date_from": "2018-03-01 00:00:00",
            "date_to": null,
            "type": "local_episodic_effect: The radome was cleared from snow at 11:05 UTC."
        },
        {
            "comments": null,
            "date_from": "2019-01-18 09:10:00",
            "date_to": "2019-01-18 09:11:00",
            "type": "local_episodic_effect: The radome was cleared from snow at 09:10 UTC."
        },
        {
            "comments": null,
            "date_from": "2019-02-07 13:00:00",
            "date_to": "2019-02-07 13:00:00",
            "type": "local_episodic_effect: The radome was cleared from snow at 13:00 UTC"
        },
        {
            "comments": null,
            "date_from": "2020-02-11 12:00:00",
            "date_to": "2020-02-11 14:00:00",
            "type": "local_episodic_effect: The radome was temporarily removed between 12:00 and 14:00 UTC"
        },
        {
            "comments": null,
            "date_from": "2020-06-22 00:00:00",
            "date_to": "2020-06-24 00:00:00",
            "type": "local_episodic_effect: Tree clearing at the site. To improve tracking performance a large part of the forrest close to the station was removed between 2020-06-22 and 2020-06-24. "
        },
        {
            "comments": null,
            "date_from": "2021-02-10 00:00:00",
            "date_to": null,
            "type": "local_episodic_effect: Radome was cleared of snow 13:15"
        },
        {
            "comments": null,
            "date_from": "2025-08-21 07:40:00",
            "date_to": null,
            "type": "local_episodic_effect: A heating wire has been installed on the radome skirt, below the antenna, to prevent snow from building up on the sides of the radome. "
        }
    ],
    "country": "Sweden",
    "country_code_ISO": "SWE",
    "date_from": "1993-08-01 00:00:00",
    "date_to": null,
    "description": null,
    "geological": {
        "bedrock": {
            "condition": "FRESH",
            "type": null
        },
        "characteristic": "BEDROCK",
        "distance_to_fault": null,
        "fault_zone": null,
        "fracture_spacing": "over 200"
    },
    "iers_domes": "10405M002",
    "instrument_collocation": [
        {
            "comment": "",
            "date_from": "1995-09-22 00:00:00",
            "date_to": "1995-09-24 00:00:00",
            "status": "MOBILE",
            "type": "GRAVITY MEASUREMENTS"
        },
        {
            "comment": "",
            "date_from": "1995-09-25 00:00:00",
            "date_to": "1995-09-27 00:00:00",
            "status": "MOBILE",
            "type": "GRAVITY MEASUREMENTS"
        },
        {
            "comment": "IGLOS site MR6G utilized the same pillar\r\nand antenna as MAR6.",
            "date_from": "1998-08-01 00:00:00",
            "date_to": "2003-08-19 00:00:00",
            "status": "PERMANENT",
            "type": "GPS\/GLONASS"
        },
        {
            "comment": "",
            "date_from": "2003-07-11 00:00:00",
            "date_to": "2003-07-12 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "",
            "date_from": "2004-05-22 00:00:00",
            "date_to": "2004-05-23 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "",
            "date_from": "2005-09-23 00:00:00",
            "date_to": "2005-09-24 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "",
            "date_from": "2006-10-03 00:00:00",
            "date_to": "2006-10-04 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2006-12-08 00:00:00",
            "date_to": "2006-12-09 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2006-12-11 00:00:00",
            "date_to": "2006-12-12 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2006-12-15 00:00:00",
            "date_to": "2006-12-16 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2007-01-10 00:00:00",
            "date_to": "2007-01-11 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2007-01-15 00:00:00",
            "date_to": "2007-01-16 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2007-05-28 00:00:00",
            "date_to": "2007-05-31 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2008-04-16 00:00:00",
            "date_to": "2008-04-19 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2008-09-02 00:00:00",
            "date_to": "2008-09-04 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2009-04-27 00:00:00",
            "date_to": "2009-04-29 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2009-09-03 00:00:00",
            "date_to": "2009-09-05 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2009-11-20 00:00:00",
            "date_to": "2009-11-21 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2009-11-25 00:00:00",
            "date_to": "2009-11-26 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2010-01-13 00:00:00",
            "date_to": "2010-01-14 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2010-06-21 00:00:00",
            "date_to": "2010-06-23 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "EPN station MAR7 10405M003.\r\nMAR7 is also included in the IGS MGEX project.",
            "date_from": "2011-04-27 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
            "type": "GPS\/GLONASS"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2011-05-23 00:00:00",
            "date_to": "2011-05-25 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2012-05-12 00:00:00",
            "date_to": "2012-05-16 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2012-07-28 00:00:00",
            "date_to": "2012-07-29 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2013-05-13 00:00:00",
            "date_to": "2013-05-17 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        },
        {
            "comment": "Observation performed by Lantmateriet.",
            "date_from": "2013-06-25 00:00:00",
            "date_to": "2013-06-26 00:00:00",
            "status": "MOBILE",
            "type": "ABSOLUTE GRAVITY"
        }
    ],
    "local_ties": [],
    "location": {
        "city": "Maartsbo",
        "coordinates": {
            "X": 2998189.713,
            "Y": 931451.589,
            "Z": 5533398.473,
            "altitude": 75.4,
            "lat": 60.59514112556317,
            "lon": 17.25852160559552
        },
        "country": "Sweden",
        "country_iso_code": "SWE",
        "description": "SWEREF 99\r\n(Swedish realisation of ETRS89)",
        "state": "",
        "tectonic": {
            "plate_name": "EURASIAN"
        }
    },
    "logs": {
        "contact": "SWEPOS Control Centre (swepos@lm.se)",
        "date": "2025-08-21 00:00:00",
        "log_type": "UPDATE",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "MAR600SWE.xml"
    },
    "marker": "MAR6",
    "monument": {
        "description": "PILLAR",
        "foundation": "",
        "foundation_depth": null,
        "height": 5.9,
        "monument_inscription": "Maartsbo SWEPOS 1993"
    },
    "monument_num": 0,
    "name": "Maartsbo",
    "receiver_num": 0,
    "station_contacts": [
        {
            "contact": {
                "agency": {
                    "abbreviation": "LMV",
                    "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                    "infos": "",
                    "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                    "www": ""
                },
                "comment": "",
                "email": "swepos@lm.se",
                "name": "SWEPOS Control Centre",
                "phone": "+46 26 63 37 53",
                "role": "site_owner",
                "title": ""
            }
        },
        {
            "contact": {
                "agency": {
                    "abbreviation": "LMV",
                    "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                    "infos": "",
                    "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                    "www": ""
                },
                "comment": "",
                "email": "swepos@lm.se",
                "name": "SWEPOS Control Centre",
                "phone": "+46 26 63 37 53",
                "role": "metadata_custodian",
                "title": ""
            }
        }
    ],
    "station_items": [
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "LMV",
                        "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                        "infos": "",
                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "LMV",
                        "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                        "infos": "",
                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-01 00:00:00",
                "date_to": "1993-08-01 00:01:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1993-08-01 00:00:00",
                        "date_to": "1993-08-01 00:01:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "ROGUE SNR-8100"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-01 00:00:00",
                        "date_to": "1993-08-01 00:01:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "T-221"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1993-08-01 00:00:00",
                        "date_to": "1993-08-01 00:01:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1993-08-01 00:00:00",
                        "date_to": "1993-08-01 00:01:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "2.8"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1993-08-01 00:00:00",
                        "date_to": "1993-08-01 00:01:00",
                        "value_date": null,
                        "value_numeric": 15,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1993-08-01 00:00:00",
                        "date_to": "1993-08-01 00:01:00",
                        "value_date": null,
                        "value_numeric": 3,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "LMV",
                        "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                        "infos": "",
                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "LMV",
                        "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                        "infos": "",
                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-08-01 00:01:00",
                "date_to": "1993-11-02 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1993-08-01 00:01:00",
                        "date_to": "1993-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "ASHTECH Z-XII3"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-08-01 00:01:00",
                        "date_to": "1993-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "243"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1993-08-01 00:01:00",
                        "date_to": "1993-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1993-08-01 00:01:00",
                        "date_to": "1993-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8M"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1993-08-01 00:01:00",
                        "date_to": "1993-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": 15,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1993-08-01 00:01:00",
                        "date_to": "1993-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": 3,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "LMV",
                        "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                        "infos": "",
                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "LMV",
                        "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                        "infos": "",
                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1993-11-02 00:00:00",
                "date_to": "1995-09-13 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "1993-11-02 00:00:00",
                        "date_to": "1995-09-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "ASHTECH Z-XII3"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1993-11-02 00:00:00",
                        "date_to": "1995-09-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "243"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "1993-11-02 00:00:00",
                        "date_to": "1995-09-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "1993-11-02 00:00:00",
                        "date_to": "1995-09-13 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "8M"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "1993-11-02 00:00:00",
                        "date_to": "1995-09-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 10,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "1993-11-02 00:00:00",
                        "date_to": "1995-09-13 00:00:00",
                        "value_date": null,
                        "value_numeric": 3,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "Firmware upgrade",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "LMV",
                        "address": "Lantm\u00e4teriet\nSE-801 82 G\u00e4vle\nSweden",
                        "infos": "",
                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
                        "www": ""
                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
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