{ "cdp_num": null, "comment": "Antenna is approx 10m above ground level.\r\nMonument height provided wrt top bracket.", "conditions": [], "country": "United Kingdom of Great Britain and Northern Ireland", "country_code_ISO": "GBR", "date_from": "2008-12-18 00:00:00", "date_to": null, "description": "Centre of mount thread on plane of antenna ARP", "geological": { "bedrock": { "condition": null, "type": null }, "characteristic": null, "distance_to_fault": null, "fault_zone": "No", "fracture_spacing": null }, "iers_domes": "19121M001", "instrument_collocation": [], "local_ties": [], "location": { "city": "Helmsdale", "coordinates": { "X": 3370353, "Y": -214960, "Z": 5392588, "altitude": 66.1, "lat": 58.115298191804754, "lon": -3.649362880989972 }, "country": "United Kingdom of Great Britain and Northern Ireland", "country_iso_code": "GBR", "description": "", "state": "Highland", "tectonic": { "plate_name": "EURASIAN" } }, "logs": { "contact": "Geodesy & Positioning (geodeticenquiries@os.uk)", "date": "2025-11-06 00:00:00", "log_type": "UPDATE", "modified": "UNAVAILABLE", "previous": "UNAVAILABLE", "title": "HELS00GBR.xml" }, "marker": "HELS", "monument": { "description": "1m Stainless Steel pole", "foundation": "2 storey stone building", "foundation_depth": null, "height": 0.6, "monument_inscription": null }, "monument_num": 0, "name": "Helmsdale", "receiver_num": 0, "station_contacts": [ { "contact": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" } }, { "contact": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" } } ], "station_items": [ { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2008-12-18 12:00:00", "date_to": "2008-12-19 19:17:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2008-12-18 12:00:00", "date_to": "2008-12-19 19:17:00", "value_date": null, "value_numeric": null, "value_varchar": "LEICA GRX1200GGPRO" }, { "attribute": { "name": "serial_number" }, "date_from": "2008-12-18 12:00:00", "date_to": "2008-12-19 19:17:00", "value_date": null, "value_numeric": null, "value_varchar": "356437" }, { "attribute": { "name": "satellite_system" }, "date_from": "2008-12-18 12:00:00", "date_to": "2008-12-19 19:17:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2008-12-18 12:00:00", "date_to": "2008-12-19 19:17:00", "value_date": null, "value_numeric": null, "value_varchar": "6.00" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2008-12-18 12:00:00", "date_to": "2008-12-19 19:17:00", "value_date": null, "value_numeric": 5, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2008-12-18 12:00:00", "date_to": "2008-12-19 19:17:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2008-12-19 19:24:00", "date_to": "2009-07-23 11:55:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2008-12-19 19:24:00", "date_to": "2009-07-23 11:55:00", "value_date": null, "value_numeric": null, "value_varchar": "LEICA GRX1200GGPRO" }, { "attribute": { "name": "serial_number" }, "date_from": "2008-12-19 19:24:00", "date_to": "2009-07-23 11:55:00", "value_date": null, "value_numeric": null, "value_varchar": "356437" }, { "attribute": { "name": "satellite_system" }, "date_from": "2008-12-19 19:24:00", "date_to": "2009-07-23 11:55:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2008-12-19 19:24:00", "date_to": "2009-07-23 11:55:00", "value_date": null, "value_numeric": null, "value_varchar": "6.02" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2008-12-19 19:24:00", "date_to": "2009-07-23 11:55:00", "value_date": null, "value_numeric": 5, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2008-12-19 19:24:00", "date_to": "2009-07-23 11:55:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2009-07-23 12:05:00", "date_to": "2010-05-16 21:15:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2009-07-23 12:05:00", "date_to": "2010-05-16 21:15:00", "value_date": null, "value_numeric": null, "value_varchar": "LEICA GRX1200+GNSS" }, { "attribute": { "name": "serial_number" }, "date_from": "2009-07-23 12:05:00", "date_to": "2010-05-16 21:15:00", "value_date": null, "value_numeric": null, "value_varchar": "356258" }, { "attribute": { "name": "satellite_system" }, "date_from": "2009-07-23 12:05:00", "date_to": "2010-05-16 21:15:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2009-07-23 12:05:00", "date_to": "2010-05-16 21:15:00", "value_date": null, "value_numeric": null, "value_varchar": "7.53" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2009-07-23 12:05:00", "date_to": "2010-05-16 21:15:00", "value_date": null, "value_numeric": 5, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2009-07-23 12:05:00", "date_to": "2010-05-16 21:15:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2010-05-16 21:20:00", "date_to": "2011-04-04 10:22:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2010-05-16 21:20:00", "date_to": "2011-04-04 10:22:00", "value_date": null, "value_numeric": null, "value_varchar": "LEICA GRX1200+GNSS" }, { "attribute": { "name": "serial_number" }, "date_from": "2010-05-16 21:20:00", "date_to": "2011-04-04 10:22:00", "value_date": null, "value_numeric": null, "value_varchar": "356258" }, { "attribute": { "name": "satellite_system" }, "date_from": "2010-05-16 21:20:00", "date_to": "2011-04-04 10:22:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2010-05-16 21:20:00", "date_to": "2011-04-04 10:22:00", "value_date": null, "value_numeric": null, "value_varchar": "7.81" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2010-05-16 21:20:00", "date_to": "2011-04-04 10:22:00", "value_date": null, "value_numeric": 5, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2010-05-16 21:20:00", "date_to": "2011-04-04 10:22:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "ME version 4.005", "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2011-04-04 10:52:00", "date_to": "2012-07-19 09:40:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2011-04-04 10:52:00", "date_to": "2012-07-19 09:40:00", "value_date": null, "value_numeric": null, "value_varchar": "LEICA GRX1200+GNSS" }, { "attribute": { "name": "serial_number" }, "date_from": "2011-04-04 10:52:00", "date_to": "2012-07-19 09:40:00", "value_date": null, "value_numeric": null, "value_varchar": "356344" }, { "attribute": { "name": "satellite_system" }, "date_from": "2011-04-04 10:52:00", "date_to": "2012-07-19 09:40:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2011-04-04 10:52:00", "date_to": "2012-07-19 09:40:00", "value_date": null, "value_numeric": null, "value_varchar": "7.81" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2011-04-04 10:52:00", "date_to": "2012-07-19 09:40:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2011-04-04 10:52:00", "date_to": "2012-07-19 09:40:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "ME firmware v4.007", "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2012-07-19 09:40:00", "date_to": "2015-06-01 09:07:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2012-07-19 09:40:00", "date_to": "2015-06-01 09:07:00", "value_date": null, "value_numeric": null, "value_varchar": "LEICA GRX1200+GNSS" }, { "attribute": { "name": "serial_number" }, "date_from": "2012-07-19 09:40:00", "date_to": "2015-06-01 09:07:00", "value_date": null, "value_numeric": null, "value_varchar": "356344" }, { "attribute": { "name": "satellite_system" }, "date_from": "2012-07-19 09:40:00", "date_to": "2015-06-01 09:07:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2012-07-19 09:40:00", "date_to": "2015-06-01 09:07:00", "value_date": null, "value_numeric": null, "value_varchar": "8.20" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2012-07-19 09:40:00", "date_to": "2015-06-01 09:07:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2012-07-19 09:40:00", "date_to": "2015-06-01 09:07:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "ME firmware v6.112", "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2015-06-01 09:40:00", "date_to": "2018-05-03 12:10:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2015-06-01 09:40:00", "date_to": "2018-05-03 12:10:00", "value_date": null, "value_numeric": null, "value_varchar": "LEICA GRX1200+GNSS" }, { "attribute": { "name": "serial_number" }, "date_from": "2015-06-01 09:40:00", "date_to": "2018-05-03 12:10:00", "value_date": null, "value_numeric": null, "value_varchar": "356344" }, { "attribute": { "name": "satellite_system" }, "date_from": "2015-06-01 09:40:00", "date_to": "2018-05-03 12:10:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2015-06-01 09:40:00", "date_to": "2018-05-03 12:10:00", "value_date": null, "value_numeric": null, "value_varchar": "9.20" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2015-06-01 09:40:00", "date_to": "2018-05-03 12:10:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2015-06-01 09:40:00", "date_to": "2018-05-03 12:10:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2018-05-03 12:30:00", "date_to": "2018-10-17 13:20:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2018-05-03 12:30:00", "date_to": "2018-10-17 13:20:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX5" }, { "attribute": { "name": "serial_number" }, "date_from": "2018-05-03 12:30:00", "date_to": "2018-10-17 13:20:00", "value_date": null, "value_numeric": null, "value_varchar": "3022777" }, { "attribute": { "name": "satellite_system" }, "date_from": "2018-05-03 12:30:00", "date_to": "2018-10-17 13:20:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2018-05-03 12:30:00", "date_to": "2018-10-17 13:20:00", "value_date": null, "value_numeric": null, "value_varchar": "5.1.2" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2018-05-03 12:30:00", "date_to": "2018-10-17 13:20:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2018-05-03 12:30:00", "date_to": "2018-10-17 13:20:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2018-10-17 13:25:00", "date_to": "2019-08-16 14:10:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2018-10-17 13:25:00", "date_to": "2019-08-16 14:10:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX5" }, { "attribute": { "name": "serial_number" }, "date_from": "2018-10-17 13:25:00", "date_to": "2019-08-16 14:10:00", "value_date": null, "value_numeric": null, "value_varchar": "3022777" }, { "attribute": { "name": "satellite_system" }, "date_from": "2018-10-17 13:25:00", "date_to": "2019-08-16 14:10:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2018-10-17 13:25:00", "date_to": "2019-08-16 14:10:00", "value_date": null, "value_numeric": null, "value_varchar": "5.2.0" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2018-10-17 13:25:00", "date_to": "2019-08-16 14:10:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2018-10-17 13:25:00", "date_to": "2019-08-16 14:10:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2019-08-16 14:15:00", "date_to": "2020-02-20 12:40:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2019-08-16 14:15:00", "date_to": "2020-02-20 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX5" }, { "attribute": { "name": "serial_number" }, "date_from": "2019-08-16 14:15:00", "date_to": "2020-02-20 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "3022777" }, { "attribute": { "name": "satellite_system" }, "date_from": "2019-08-16 14:15:00", "date_to": "2020-02-20 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2019-08-16 14:15:00", "date_to": "2020-02-20 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "5.3.0" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2019-08-16 14:15:00", "date_to": "2020-02-20 12:40:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2019-08-16 14:15:00", "date_to": "2020-02-20 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2020-02-20 12:45:00", "date_to": "2021-02-02 15:15:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2020-02-20 12:45:00", "date_to": "2021-02-02 15:15:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX5" }, { "attribute": { "name": "serial_number" }, "date_from": "2020-02-20 12:45:00", "date_to": "2021-02-02 15:15:00", "value_date": null, "value_numeric": null, "value_varchar": "3022777" }, { "attribute": { "name": "satellite_system" }, "date_from": "2020-02-20 12:45:00", "date_to": "2021-02-02 15:15:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2020-02-20 12:45:00", "date_to": "2021-02-02 15:15:00", "value_date": null, "value_numeric": null, "value_varchar": "5.3.2" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2020-02-20 12:45:00", "date_to": "2021-02-02 15:15:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2020-02-20 12:45:00", "date_to": "2021-02-02 15:15:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2021-02-02 15:20:00", "date_to": "2022-09-01 13:10:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2021-02-02 15:20:00", "date_to": "2022-09-01 13:10:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX5" }, { "attribute": { "name": "serial_number" }, "date_from": "2021-02-02 15:20:00", "date_to": "2022-09-01 13:10:00", "value_date": null, "value_numeric": null, "value_varchar": "3022777" }, { "attribute": { "name": "satellite_system" }, "date_from": "2021-02-02 15:20:00", "date_to": "2022-09-01 13:10:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2021-02-02 15:20:00", "date_to": "2022-09-01 13:10:00", "value_date": null, "value_numeric": null, "value_varchar": "5.4.0" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2021-02-02 15:20:00", "date_to": "2022-09-01 13:10:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2021-02-02 15:20:00", "date_to": "2022-09-01 13:10:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2022-09-01 13:15:00", "date_to": "2025-11-06 14:43:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2022-09-01 13:15:00", "date_to": "2025-11-06 14:43:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX5" }, { "attribute": { "name": "serial_number" }, "date_from": "2022-09-01 13:15:00", "date_to": "2025-11-06 14:43:00", "value_date": null, "value_numeric": null, "value_varchar": "3022777" }, { "attribute": { "name": "satellite_system" }, "date_from": "2022-09-01 13:15:00", "date_to": "2025-11-06 14:43:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2022-09-01 13:15:00", "date_to": "2025-11-06 14:43:00", "value_date": null, "value_numeric": null, "value_varchar": "5.5.0" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2022-09-01 13:15:00", "date_to": "2025-11-06 14:43:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2022-09-01 13:15:00", "date_to": "2025-11-06 14:43:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2025-11-06 14:45:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2025-11-06 14:45:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX5" }, { "attribute": { "name": "serial_number" }, "date_from": "2025-11-06 14:45:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "3022777" }, { "attribute": { "name": "satellite_system" }, "date_from": "2025-11-06 14:45:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2025-11-06 14:45:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "5.6.0" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2025-11-06 14:45:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2025-11-06 14:45:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "LEIAR25" }, { "attribute": { "name": "serial_number" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "08450004" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "BPA" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "RG622" }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "item_attributes": [ { "attribute": { "name": "radome_type" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "LEIT" }, { "attribute": { "name": "serial_number" }, "date_from": "2008-12-18 12:00:00", "date_to": "2018-09-11 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "radome" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "LEIAR10" }, { "attribute": { "name": "serial_number" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "21204001" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "BAM" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": 0.05, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "RG622" }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "radome_type" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "NONE" }, { "attribute": { "name": "serial_number" }, "date_from": "2018-09-11 14:30:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "radome" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "OS", "address": "Adanac Drive\nSO16 0AS Southampton\nUnited Kingdom of Great Britain and Northern Ireland (the)", "infos": "", "name": "Ordnance Survey", "www": "" }, "comment": "", "email": "geodeticenquiries@os.uk", "name": "Geodesy & Positioning", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2008-12-18 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2008-12-18 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2008-12-18 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } } ], "station_networks": [ { "name": "EPOS" }, { "name": "OS Net" } ], "station_type": "GNSS Continuous" }