{
    "cdp_num": null,
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            "comments": null,
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            "date_to": null,
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        {
            "comments": null,
            "date_from": "2007-06-12 00:00:00",
            "date_to": null,
            "type": "local_episodic_effect: Cable repaired and antenna put back butwithoutradome."
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        {
            "comments": null,
            "date_from": "2012-07-03 00:00:00",
            "date_to": "2012-07-03 00:00:00",
            "type": "local_episodic_effect: The radome was removed 08:05-12:15 UTC forlocaltie\/stability measurements"
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    "date_to": null,
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            "type": null
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            "date_to": "1993-08-19 00:00:00",
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        {
            "comment": "",
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        {
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        "date": "2026-04-01 00:00:00",
        "log_type": "UPDATE",
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        "previous": "UNAVAILABLE",
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            }
        },
        {
            "item": {
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                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.071,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "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": "1995-02-04 00:00:00",
                "date_to": "1996-07-03 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "DOME"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-02-04 00:00:00",
                        "date_to": "1996-07-03 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "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": "1996-07-03 00:00:00",
                "date_to": "1996-11-02 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "246"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.071,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "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": "1996-07-03 00:00:00",
                "date_to": "1996-11-02 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-07-03 00:00:00",
                        "date_to": "1996-11-02 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "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": "1996-11-02 00:00:00",
                "date_to": "2007-06-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "246"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.071,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "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": "1996-11-02 00:00:00",
                "date_to": "2007-06-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "OSOD"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-11-02 00:00:00",
                        "date_to": "2007-06-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "No radome during this date span.\r\nMore info at 10.1 and 10.2",
                "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": "2007-06-12 00:00:00",
                "date_to": "2007-07-31 06:25:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "246"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": 0.071,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "No radome during this date span.\r\nMore info at 10.1 and 10.2",
                "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": "2007-06-12 00:00:00",
                "date_to": "2007-07-31 06:25:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-06-12 00:00:00",
                        "date_to": "2007-07-31 06:25:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "New radome and antenna due to sabotage.\r\nMore info at 10.1 and 10.2\r\nThe radome was removed and installed again\r\n2012-07-02. The mounting was possibly not\r\nexactly the same. More info at 10.3.",
                "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": "2007-07-31 06:35:00",
                "date_to": "2012-11-21 10:30:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
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                        "date_from": "2007-07-31 06:35:00",
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                        "value_numeric": null,
                        "value_varchar": "ASH701945C_M"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2007-07-31 06:35:00",
                        "date_to": "2012-11-21 10:30:00",
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                        "value_numeric": null,
                        "value_varchar": "CR620014001"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2007-07-31 06:35:00",
                        "date_to": "2012-11-21 10:30:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2007-07-31 06:35:00",
                        "date_to": "2012-11-21 10:30:00",
                        "value_date": null,
                        "value_numeric": 0.071,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2007-07-31 06:35:00",
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                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
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                        "date_from": "2007-07-31 06:35:00",
                        "date_to": "2012-11-21 10:30:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2007-07-31 06:35:00",
                        "date_to": "2012-11-21 10:30:00",
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                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
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                        "date_from": "2007-07-31 06:35:00",
                        "date_to": "2012-11-21 10:30:00",
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                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2007-07-31 06:35:00",
                        "date_to": "2012-11-21 10:30:00",
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                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
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                "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": "2007-07-31 06:35:00",
                "date_to": "2012-11-21 10:30:00",
                "item_attributes": [
                    {
                        "attribute": {
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                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
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                "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": ""
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                "date_from": "2012-11-21 12:04:00",
                "date_to": "2012-11-22 07:50:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
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                        "date_from": "2012-11-21 12:04:00",
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                    {
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                            "name": "antenna_reference_point"
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                        "date_to": "2012-11-22 07:50:00",
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                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2012-11-21 12:04:00",
                        "date_to": "2012-11-22 07:50:00",
                        "value_date": null,
                        "value_numeric": 0.071,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
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                        "date_from": "2012-11-21 12:04:00",
                        "date_to": "2012-11-22 07:50:00",
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                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
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                        "date_from": "2012-11-21 12:04:00",
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                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
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                        "date_from": "2012-11-21 12:04:00",
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                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2012-11-21 12:04:00",
                        "date_to": "2012-11-22 07:50:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2012-11-21 12:04:00",
                        "date_to": "2012-11-22 07:50:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Same radome, but new lower mounting. The joint\r\nbetween the hemispherical part and conical part\r\nwas earlier partly above the upper part of the\r\nchoke rings.",
                "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": "2012-11-21 12:04:00",
                "date_to": "2012-11-22 07:50:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
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                        "date_from": "2012-11-21 12:04:00",
                        "date_to": "2012-11-22 07:50:00",
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                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
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                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
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                "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": "2012-11-22 07:50:00",
                "date_to": "2022-03-09 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
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                        "date_from": "2012-11-22 07:50:00",
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                    {
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                    },
                    {
                        "attribute": {
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                        "date_to": "2022-03-09 16:00:00",
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                    },
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                        "attribute": {
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                        "attribute": {
                            "name": "antenna_cable_type"
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                        "date_from": "2012-11-22 07:50:00",
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                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
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        },
        {
            "item": {
                "comment": "New OSOD radome. The old radome had a crack in\r\nthe joint between the hemipherical part and the\r\nconical part. Furthermore it was not possible to\r\nlevel the old radome absolutely, as it was too\r\nnarrow in combination with the not totally\r\nvertical pillar.",
                "contact_as_owner": {
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                        "abbreviation": "LMV",
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                        "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",
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                "date_from": "2012-11-22 07:50:00",
                "date_to": "2022-03-09 16:00:00",
                "item_attributes": [
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                        "attribute": {
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                "contact_as_producer": {
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                "date_to": "2025-08-25 17:40:00",
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                    },
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                ],
                "item_type": {
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                    "name": "SWEPOS Control Centre",
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                    "email": "swepos@lm.se",
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                "item_type": {
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            "item": {
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                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
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                    "role": "metadata_custodian",
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                "date_from": "2025-08-25 20:00:00",
                "date_to": null,
                "item_attributes": [
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                        "attribute": {
                            "name": "antenna_type"
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                        "value_numeric": 0,
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                    {
                        "attribute": {
                            "name": "antenna_cable_type"
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                        "date_from": "2025-08-25 20:00:00",
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                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "RG214"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
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                        "date_from": "2025-08-25 20:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 10,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
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            }
        },
        {
            "item": {
                "comment": "A heating system from IHP AB, International Heating Products AB, has been installed to remove the snow from the radome. The heater consists of a mat attached with adhesive to the bottom of the antenna. The mat is covered by a 1 cm insulation layer made of white silicone in order to force the heat going through the antenna up to the radome.",
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                    },
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                    "name": "SWEPOS Control Centre",
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                    "role": "site_owner",
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                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "LMV",
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                        "name": "Lantm\u00e4teriet, the Swedish mapping, cadastral and land registration authority",
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                    },
                    "comment": "",
                    "email": "swepos@lm.se",
                    "name": "SWEPOS Control Centre",
                    "phone": "+46 26 63 37 53",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2025-08-25 20:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2025-08-25 20:00:00",
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                        "value_date": null,
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                        "value_varchar": "OSOD"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2025-08-25 20:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "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": ""
                },
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                "date_to": "1992-06-17 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
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                        "date_from": "1991-07-01 00:00:00",
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                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
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                        "date_to": "1992-06-17 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "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": "1992-06-17 00:00:00",
                "date_to": "1994-04-05 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
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                        "date_from": "1992-06-17 00:00:00",
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                        "value_numeric": null,
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                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
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                        "date_to": "1994-04-05 00:00:00",
                        "value_date": null,
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                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "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": "1994-04-05 00:00:00",
                "date_to": "1998-07-01 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "1994-04-05 00:00:00",
                        "date_to": "1998-07-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
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                    {
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                        "date_to": "1998-07-01 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "item": {
                "comment": "Clock steering set to N 2000-11-30 19:00 UT.\r\nClock steering information valid for Ashtech\r\nreceiver.",
                "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": "1998-07-01 00:00:00",
                "date_to": "2014-02-26 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
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                        "date_from": "1998-07-01 00:00:00",
                        "date_to": "2014-02-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "EXTERNAL RUBIDIUM"
                    },
                    {
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                        },
                        "date_from": "1998-07-01 00:00:00",
                        "date_to": "2014-02-26 00:00:00",
                        "value_date": null,
                        "value_numeric": 10,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "item": {
                "comment": "Old frequency standard Efratom FRK-LLN replaced\r\nby Symmetricon 8040C",
                "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": "2014-02-26 00:00:00",
                "date_to": "2017-06-07 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
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                        "date_to": "2017-06-07 00:00:00",
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                    },
                    {
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                    }
                ],
                "item_type": {
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                }
            }
        },
        {
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                        "abbreviation": "LMV",
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                    },
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                    "name": "SWEPOS Control Centre",
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                    "role": "site_owner",
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                },
                "contact_as_producer": {
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                        "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",
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                },
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                    }
                ],
                "item_type": {
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        },
        {
            "name": "EPOS"
        },
        {
            "name": "SWEPOS"
        }
    ],
    "station_type": "GNSS Continuous"
}