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null, "value_varchar": "5841R40051" }, { "attribute": { "name": "satellite_system" }, "date_from": "2022-12-07 15:00:00", "date_to": "2025-04-15 12:25:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2022-12-07 15:00:00", "date_to": "2025-04-15 12:25:00", "value_date": null, "value_numeric": null, "value_varchar": "6.15" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2022-12-07 15:00:00", "date_to": "2025-04-15 12:25:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2022-12-07 15:00:00", "date_to": "2025-04-15 12:25:00", "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": "2025-04-15 12:25:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2025-04-15 12:25:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE ALLOY" }, { "attribute": { "name": "serial_number" }, "date_from": "2025-04-15 12:25:00", "date_to": null, 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"date_from": "2012-01-28 00:00:00", "date_to": "2013-05-29 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2012-01-28 00:00:00", "date_to": "2013-05-29 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2012-01-28 00:00:00", "date_to": "2013-05-29 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "External frequency was connected at 15:00 UTC.", "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": "2013-05-29 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2013-05-29 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL H-MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2013-05-29 00:00:00", "date_to": null, "value_date": null, "value_numeric": 10, "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": "1997-04-01 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "sensor_model" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "HMP35D HUMICAP H-sensor" }, { "attribute": { "name": "manufacturer" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "VAISALA" }, { "attribute": { "name": "serial_number" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null }, { "attribute": { "name": "data_sampling_interval" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": 1800, "value_varchar": null }, { "attribute": { "name": "accuracy" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": 2, "value_varchar": null }, { "attribute": { "name": "aspiration" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null }, { "attribute": { "name": "height_diff_to_ant" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "calibration_date" }, "date_from": "1997-04-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "humidity_sensor" } } }, { "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": "1991-07-01 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": 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