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null, "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "LEIAR25.R4" }, { "attribute": { "name": "serial_number" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "726676" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "BPA" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": 0.085, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "Huber+Suhner" }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": 50, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "radome_type" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "LEIT" }, { "attribute": { "name": "serial_number" }, "date_from": "2013-12-11 15:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "radome" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "1995-12-05 00:00:00", "date_to": "2005-01-13 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "1995-12-05 00:00:00", "date_to": "2005-01-13 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "1995-12-05 00:00:00", "date_to": "2005-01-13 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": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2005-01-13 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2005-01-13 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2005-01-13 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "No meteo files given.\r\nNot in use for GPS.\r\nNot calibrated.", "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "item_attributes": [ { "attribute": { "name": "sensor_model" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "Hair Hygrometer" }, { "attribute": { "name": "manufacturer" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "USSR" }, { "attribute": { "name": "serial_number" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "M34-3359" }, { "attribute": { "name": "data_sampling_interval" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 3600, "value_varchar": null }, { "attribute": { "name": "accuracy" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null }, { "attribute": { "name": "aspiration" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "fan" }, { "attribute": { "name": "height_diff_to_ant" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 3.5, "value_varchar": null }, { "attribute": { "name": "calibration_date" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "humidity_sensor" } } }, { "item": { "comment": "Calibrated at Factory.\r\n3% accur. between 0 and 90% RH\r\n5% accur. between 90 and 100% RH", "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "sensor_model" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "WXT510" }, { "attribute": { "name": "manufacturer" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "VAISALA" }, { "attribute": { "name": "serial_number" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "C1150003" }, { "attribute": { "name": "data_sampling_interval" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": 600, "value_varchar": null }, { "attribute": { "name": "accuracy" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": 3, "value_varchar": null }, { "attribute": { "name": "aspiration" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "NATURAL" }, { "attribute": { "name": "height_diff_to_ant" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": -2, "value_varchar": null }, { "attribute": { "name": "calibration_date" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": "2007-03-16 00:00:00", "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "humidity_sensor" } } }, { "item": { "comment": "No meteo files given.\r\nNot in use for GPS.\r\nNot calibrated.", "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "item_attributes": [ { "attribute": { "name": "sensor_model" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "Precisions Barometer" }, { "attribute": { "name": "manufacturer" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "Paulin Stockholm" }, { "attribute": { "name": "serial_number" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "VBM2-1443" }, { "attribute": { "name": "data_sampling_interval" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 3600, "value_varchar": null }, { "attribute": { "name": "accuracy" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 0.2, "value_varchar": null }, { "attribute": { "name": "height_diff_to_ant" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 3.5, "value_varchar": null }, { "attribute": { "name": "calibration_date" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "pressure_sensor" } } }, { "item": { "comment": "Calibrated at Factory.", "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "sensor_model" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "WXT510" }, { "attribute": { "name": "manufacturer" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "VAISALA" }, { "attribute": { "name": "serial_number" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "C1150003" }, { "attribute": { "name": "data_sampling_interval" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": 600, "value_varchar": null }, { "attribute": { "name": "accuracy" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": 0.5, "value_varchar": null }, { "attribute": { "name": "height_diff_to_ant" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": -2, "value_varchar": null }, { "attribute": { "name": "calibration_date" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": "2007-03-16 00:00:00", "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "pressure_sensor" } } }, { "item": { "comment": "No meteo files given.\r\nNot in use for GPS.\r\nNot calibrated after factory, hence calibration\r\ndate is unknown", "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "item_attributes": [ { "attribute": { "name": "sensor_model" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "Mercury Thermometer" }, { "attribute": { "name": "manufacturer" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "USSR" }, { "attribute": { "name": "serial_number" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "TMZ-4970" }, { "attribute": { "name": "data_sampling_interval" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 3600, "value_varchar": null }, { "attribute": { "name": "accuracy" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 0.1, "value_varchar": null }, { "attribute": { "name": "aspiration" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "UNASPIRATED" }, { "attribute": { "name": "height_diff_to_ant" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": 3.5, "value_varchar": null }, { "attribute": { "name": "calibration_date" }, "date_from": "1995-12-05 00:00:00", "date_to": "2007-03-30 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "temperature_sensor" } } }, { "item": { "comment": "Calibrated at Factory", "contact_as_owner": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "LUAI", "address": "Boulevard Rainis 19\nLV 1586 Riga\nLatvia", "infos": "", "name": "Institute of Astronomy University of Latvia", "www": "" }, "comment": "", "email": "luai@lu.lv", "name": "Institute of Astronomy University of Latvia", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "sensor_model" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "WXT510" }, { "attribute": { "name": "manufacturer" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "VAISALA" }, { "attribute": { "name": "serial_number" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "C1150003" }, { "attribute": { "name": "data_sampling_interval" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": 600, "value_varchar": null }, { "attribute": { "name": "accuracy" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": 0.3, "value_varchar": null }, { "attribute": { "name": "aspiration" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "NATURAL" }, { "attribute": { "name": "height_diff_to_ant" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": null, "value_numeric": -2, "value_varchar": null }, { "attribute": { "name": "calibration_date" }, "date_from": "2007-03-30 00:00:00", "date_to": null, "value_date": "2007-03-16 00:00:00", "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "temperature_sensor" } } } ], "station_networks": [ { "name": "EPN" }, { "name": "EPOS" }, { "name": "IGS" } ], "station_type": "GNSS Continuous" }