{ "cdp_num": null, "comment": null, "conditions": [], "country": "Netherlands", "country_code_ISO": "NLD", "date_from": "1997-05-16 12:00:00", "date_to": null, "description": "CENTER OF BALL ON INVAR WIRE", "geological": { "bedrock": { "condition": "FRESH", "type": "SEDIMENTARY" }, "characteristic": "CLAY\/SAND GROUND MORAINE", "distance_to_fault": null, "fault_zone": "NO", "fracture_spacing": "0" }, "iers_domes": "13506M005", "instrument_collocation": [ { "comment": "", "date_from": "1997-01-01 00:00:00", "date_to": null, "status": "MOBILE", "type": "ABSOLUTE GRAVIMETERS" }, { "comment": "", "date_from": "1997-01-01 00:00:00", "date_to": null, "status": "MOBILE", "type": "RELATIVE GRAVIMETERS" } ], "local_ties": [], "location": { "city": "Westerbork", "coordinates": { "X": 3828736.147, "Y": 443304.741, "Z": 5064884.5, "altitude": 82.3, "lat": 52.91460805826227, "lon": 6.604501734789265 }, "country": "Netherlands", "country_iso_code": "NLD", "description": "", "state": "", "tectonic": { "plate_name": "EURASIAN" } }, "logs": { "contact": "TU Delft GNSS team (gnss-citg@tudelft.nl)", "date": "2026-04-16 00:00:00", "log_type": "UPDATE", "modified": "UNAVAILABLE", "previous": "UNAVAILABLE", "title": "WSRA00NLD.xml" }, "marker": "WSRA", "monument": { "description": "STEEL MAST WITH INVAR WIRE STABILIZATION", "foundation": "CONCRETE BLOCK", "foundation_depth": null, "height": 24, "monument_inscription": "GPS Mast" }, "monument_num": 0, "name": "Westerbork", "receiver_num": 0, "station_contacts": [ { "contact": { "agency": { "abbreviation": "KAD", "address": "Hofstraat 110\n7311KZ Apeldoorn\nNetherlands (the)", "infos": "", "name": "Kadaster", "www": "" }, "comment": "", "email": "rd@kadaster.nl", "name": "GI-RD", "phone": "+31 6 52481939", "role": "site_owner", "title": "" } }, { "contact": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" } }, { "contact": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_contact", "title": "" } } ], "station_items": [ { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1997-05-16 12:55:00", "date_to": "1999-08-11 07:35:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "1997-05-16 12:55:00", "date_to": "1999-08-11 07:35:00", "value_date": null, "value_numeric": null, "value_varchar": "ROGUE SNR-12 RM" }, { "attribute": { "name": "serial_number" }, "date_from": "1997-05-16 12:55:00", "date_to": "1999-08-11 07:35:00", "value_date": null, "value_numeric": null, "value_varchar": "223" }, { "attribute": { "name": "satellite_system" }, "date_from": "1997-05-16 12:55:00", "date_to": "1999-08-11 07:35:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "1997-05-16 12:55:00", "date_to": "1999-08-11 07:35:00", "value_date": null, "value_numeric": null, "value_varchar": "3.2.32.1" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "1997-05-16 12:55:00", "date_to": "1999-08-11 07:35:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "1997-05-16 12:55:00", "date_to": "1999-08-11 07:35:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1999-08-11 08:30:00", "date_to": "1999-09-01 00:00:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "1999-08-11 08:30:00", "date_to": "1999-09-01 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "ROGUE SNR-12 RM" }, { "attribute": { "name": "serial_number" }, "date_from": "1999-08-11 08:30:00", "date_to": "1999-09-01 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "223" }, { "attribute": { "name": "satellite_system" }, "date_from": "1999-08-11 08:30:00", "date_to": "1999-09-01 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "1999-08-11 08:30:00", "date_to": "1999-09-01 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "3.2.32.9" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "1999-08-11 08:30:00", "date_to": "1999-09-01 00:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "1999-08-11 08:30:00", "date_to": "1999-09-01 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1999-09-01 05:50:00", "date_to": "2000-01-05 23:59:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "1999-09-01 05:50:00", "date_to": "2000-01-05 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "ROGUE SNR-12 RM" }, { "attribute": { "name": "serial_number" }, "date_from": "1999-09-01 05:50:00", "date_to": "2000-01-05 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "209" }, { "attribute": { "name": "satellite_system" }, "date_from": "1999-09-01 05:50:00", "date_to": "2000-01-05 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "1999-09-01 05:50:00", "date_to": "2000-01-05 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "3.2.32.9" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "1999-09-01 05:50:00", "date_to": "2000-01-05 23:59:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "1999-09-01 05:50:00", "date_to": "2000-01-05 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2000-01-06 00:00:00", "date_to": "2000-04-27 23:59:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2000-01-06 00:00:00", "date_to": "2000-04-27 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "AOA SNR-12 ACT" }, { "attribute": { "name": "serial_number" }, "date_from": "2000-01-06 00:00:00", "date_to": "2000-04-27 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "225" }, { "attribute": { "name": "satellite_system" }, "date_from": "2000-01-06 00:00:00", "date_to": "2000-04-27 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2000-01-06 00:00:00", "date_to": "2000-04-27 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "3.3.32.3" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2000-01-06 00:00:00", "date_to": "2000-04-27 23:59:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2000-01-06 00:00:00", "date_to": "2000-04-27 23:59:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2000-04-28 00:00:00", "date_to": "2002-11-19 09:00:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2000-04-28 00:00:00", "date_to": "2002-11-19 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE 4700" }, { "attribute": { "name": "serial_number" }, "date_from": "2000-04-28 00:00:00", "date_to": "2002-11-19 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "96521" }, { "attribute": { "name": "satellite_system" }, "date_from": "2000-04-28 00:00:00", "date_to": "2002-11-19 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2000-04-28 00:00:00", "date_to": "2002-11-19 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "1.20" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2000-04-28 00:00:00", "date_to": "2002-11-19 09:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2000-04-28 00:00:00", "date_to": "2002-11-19 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2002-11-19 11:27:00", "date_to": "2015-02-10 14:47:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2002-11-19 11:27:00", "date_to": "2015-02-10 14:47:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE 4700" }, { "attribute": { "name": "serial_number" }, "date_from": "2002-11-19 11:27:00", "date_to": "2015-02-10 14:47:00", "value_date": null, "value_numeric": null, "value_varchar": "96521" }, { "attribute": { "name": "satellite_system" }, "date_from": "2002-11-19 11:27:00", "date_to": "2015-02-10 14:47:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2002-11-19 11:27:00", "date_to": "2015-02-10 14:47:00", "value_date": null, "value_numeric": null, "value_varchar": "N1.30\/S0.00" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2002-11-19 11:27:00", "date_to": "2015-02-10 14:47:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2002-11-19 11:27:00", "date_to": "2015-02-10 14:47:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver is capable of tracking L5 (lower\r\npart of L-band), but the antenna LNA is not\r\noptimized for L5 and therefore we do not\r\nrecommend using the L5 band signals for serious\r\nwork.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2015-02-10 15:00:00", "date_to": "2015-06-18 08:18:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2015-02-10 15:00:00", "date_to": "2015-06-18 08:18:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE NETR9" }, { "attribute": { "name": "serial_number" }, "date_from": "2015-02-10 15:00:00", "date_to": "2015-06-18 08:18:00", "value_date": null, "value_numeric": null, "value_varchar": "5302K41643" }, { "attribute": { "name": "satellite_system" }, "date_from": "2015-02-10 15:00:00", "date_to": "2015-06-18 08:18:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2015-02-10 15:00:00", "date_to": "2015-06-18 08:18:00", "value_date": null, "value_numeric": null, "value_varchar": "4.81" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2015-02-10 15:00:00", "date_to": "2015-06-18 08:18:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2015-02-10 15:00:00", "date_to": "2015-06-18 08:18:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver is capable of tracking L5 (lower\r\npart of L-band), but the antenna LNA is not\r\noptimized for L5 and therefore we do not\r\nrecommend using the L5 band signals for serious\r\nwork.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2015-06-18 08:18:00", "date_to": "2016-12-21 19:28:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2015-06-18 08:18:00", "date_to": "2016-12-21 19:28:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE NETR9" }, { "attribute": { "name": "serial_number" }, "date_from": "2015-06-18 08:18:00", "date_to": "2016-12-21 19:28:00", "value_date": null, "value_numeric": null, "value_varchar": "5302K41643" }, { "attribute": { "name": "satellite_system" }, "date_from": "2015-06-18 08:18:00", "date_to": "2016-12-21 19:28:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2015-06-18 08:18:00", "date_to": "2016-12-21 19:28:00", "value_date": null, "value_numeric": null, "value_varchar": "5.01" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2015-06-18 08:18:00", "date_to": "2016-12-21 19:28:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2015-06-18 08:18:00", "date_to": "2016-12-21 19:28:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver is capable of tracking L5 (lower\r\npart of L-band), but the antenna LNA is not\r\noptimized for L5 and therefore we do not\r\nrecommend using the L5 band signals for serious\r\nwork.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2016-12-21 19:28:00", "date_to": "2017-04-22 07:59:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2016-12-21 19:28:00", "date_to": "2017-04-22 07:59:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE NETR9" }, { "attribute": { "name": "serial_number" }, "date_from": "2016-12-21 19:28:00", "date_to": "2017-04-22 07:59:00", "value_date": null, "value_numeric": null, "value_varchar": "5302K41643" }, { "attribute": { "name": "satellite_system" }, "date_from": "2016-12-21 19:28:00", "date_to": "2017-04-22 07:59:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2016-12-21 19:28:00", "date_to": "2017-04-22 07:59:00", "value_date": null, "value_numeric": null, "value_varchar": "5.15" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2016-12-21 19:28:00", "date_to": "2017-04-22 07:59:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2016-12-21 19:28:00", "date_to": "2017-04-22 07:59:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver is capable of tracking L5 (lower\r\npart of L-band), but the antenna LNA is not\r\noptimized for L5 and therefore we do not\r\nrecommend using the L5 band signals for serious\r\nwork.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2017-04-22 18:00:00", "date_to": "2018-12-17 13:12:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2017-04-22 18:00:00", "date_to": "2018-12-17 13:12:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE NETR9" }, { "attribute": { "name": "serial_number" }, "date_from": "2017-04-22 18:00:00", "date_to": "2018-12-17 13:12:00", "value_date": null, "value_numeric": null, "value_varchar": "5302K41643" }, { "attribute": { "name": "satellite_system" }, "date_from": "2017-04-22 18:00:00", "date_to": "2018-12-17 13:12:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2017-04-22 18:00:00", "date_to": "2018-12-17 13:12:00", "value_date": null, "value_numeric": null, "value_varchar": "5.22" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2017-04-22 18:00:00", "date_to": "2018-12-17 13:12:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2017-04-22 18:00:00", "date_to": "2018-12-17 13:12:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver is capable of tracking L5 (lower\r\npart of L-band), but the antenna LNA is not\r\noptimized for L5 and therefore we do not\r\nrecommend using the L5 band signals for serious\r\nwork.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2018-12-17 13:20:00", "date_to": "2020-05-16 17:15:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2018-12-17 13:20:00", "date_to": "2020-05-16 17:15:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE NETR9" }, { "attribute": { "name": "serial_number" }, "date_from": "2018-12-17 13:20:00", "date_to": "2020-05-16 17:15:00", "value_date": null, "value_numeric": null, "value_varchar": "5302K41643" }, { "attribute": { "name": "satellite_system" }, "date_from": "2018-12-17 13:20:00", "date_to": "2020-05-16 17:15:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2018-12-17 13:20:00", "date_to": "2020-05-16 17:15:00", "value_date": null, "value_numeric": null, "value_varchar": "5.37" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2018-12-17 13:20:00", "date_to": "2020-05-16 17:15:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2018-12-17 13:20:00", "date_to": "2020-05-16 17:15:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver is capable of tracking L5 (lower\r\npart of L-band), but the antenna LNA is not\r\noptimized for L5 and therefore we do not\r\nrecommend using the L5 band signals for serious\r\nwork.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2020-05-16 17:15:00", "date_to": "2023-04-17 15:24:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2020-05-16 17:15:00", "date_to": "2023-04-17 15:24:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE NETR9" }, { "attribute": { "name": "serial_number" }, "date_from": "2020-05-16 17:15:00", "date_to": "2023-04-17 15:24:00", "value_date": null, "value_numeric": null, "value_varchar": "5302K41643" }, { "attribute": { "name": "satellite_system" }, "date_from": "2020-05-16 17:15:00", "date_to": "2023-04-17 15:24:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2020-05-16 17:15:00", "date_to": "2023-04-17 15:24:00", "value_date": null, "value_numeric": null, "value_varchar": "5.45" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2020-05-16 17:15:00", "date_to": "2023-04-17 15:24:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2020-05-16 17:15:00", "date_to": "2023-04-17 15:24:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver is capable of tracking L5 (lower\r\npart of L-band), but the antenna LNA is not\r\noptimized for L5 and therefore we do not\r\nrecommend using the L5 band signals for serious\r\nwork.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2023-04-17 15:24:00", "date_to": "2023-12-07 09:45:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2023-04-17 15:24:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE NETR9" }, { "attribute": { "name": "serial_number" }, "date_from": "2023-04-17 15:24:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "5302K41643" }, { "attribute": { "name": "satellite_system" }, "date_from": "2023-04-17 15:24:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2023-04-17 15:24:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "5.60" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2023-04-17 15:24:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2023-04-17 15:24:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2023-12-07 14:00:00", "date_to": "2026-04-16 09:50:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2023-12-07 14:00:00", "date_to": "2026-04-16 09:50:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE ALLOY" }, { "attribute": { "name": "serial_number" }, "date_from": "2023-12-07 14:00:00", "date_to": "2026-04-16 09:50:00", "value_date": null, "value_numeric": null, "value_varchar": "6235R40318" }, { "attribute": { "name": "satellite_system" }, "date_from": "2023-12-07 14:00:00", "date_to": "2026-04-16 09:50:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2023-12-07 14:00:00", "date_to": "2026-04-16 09:50:00", "value_date": null, "value_numeric": null, "value_varchar": "6.21" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2023-12-07 14:00:00", "date_to": "2026-04-16 09:50:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2023-12-07 14:00:00", "date_to": "2026-04-16 09:50:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2026-04-16 09:50:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2026-04-16 09:50:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE ALLOY" }, { "attribute": { "name": "serial_number" }, "date_from": "2026-04-16 09:50:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "6235R40318" }, { "attribute": { "name": "satellite_system" }, "date_from": "2026-04-16 09:50:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS+QZSS+SBAS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2026-04-16 09:50:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "6.50" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2026-04-16 09:50:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2026-04-16 09:50:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "DUTD = polyester cone", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": null, "value_varchar": "AOAD\/M_T" }, { "attribute": { "name": "serial_number" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": null, "value_varchar": "273" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": null, "value_varchar": "BPA" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": 0.3795, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": null, "value_varchar": null }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": 80, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": "DUTD = polyester cone", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "item_attributes": [ { "attribute": { "name": "radome_type" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": null, "value_varchar": "DUTD" }, { "attribute": { "name": "serial_number" }, "date_from": "1997-05-16 12:00:00", "date_to": "1998-03-17 09:14:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "radome" } } }, { "item": { "comment": "DUTD = polyester cone", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "AOAD\/M_T" }, { "attribute": { "name": "serial_number" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "273" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "BPA" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": 0.3888, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": null }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": 90, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": "DUTD = polyester cone", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "item_attributes": [ { "attribute": { "name": "radome_type" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "DUTD" }, { "attribute": { "name": "serial_number" }, "date_from": "1998-03-17 15:09:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "radome" } } }, { "item": { "comment": "The antenna change involved replacing a metal adapter with a newly fabricated one. The new adapter did not introduce noticeable changes in the horizontal position: any differences, if they exist, should be below the millimeter. In the vertical, the ARP of the new antenna is 13.4 mm below the old ARP, as a consequence the antenna height is changed.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "LEIAR25.R4" }, { "attribute": { "name": "serial_number" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "726840" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "BPA" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": 0.3754, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": 90, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": "The antenna change involved replacing a metal adapter with a newly fabricated one. The new adapter did not introduce noticeable changes in the horizontal position: any differences, if they exist, should be below the millimeter. In the vertical, the ARP of the new antenna is 13.4 mm below the old ARP, as a consequence the antenna height is changed.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "radome_type" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "LEIT" }, { "attribute": { "name": "serial_number" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "765734" } ], "item_type": { "name": "radome" } } }, { "item": { "comment": "Oscilloquartz Neuchatel Type LSRH H3", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1997-06-01 00:00:00", "date_to": "1998-02-28 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "1997-06-01 00:00:00", "date_to": "1998-02-28 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL H-MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "1997-06-01 00:00:00", "date_to": "1998-02-28 00:00:00", "value_date": null, "value_numeric": 5, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "Oscilloquartz Neuchatel Type LSRH H3", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1998-02-28 00:00:00", "date_to": "1998-03-26 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "1998-02-28 00:00:00", "date_to": "1998-03-26 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL QUARTZ" }, { "attribute": { "name": "input_frequency" }, "date_from": "1998-02-28 00:00:00", "date_to": "1998-03-26 00:00:00", "value_date": null, "value_numeric": 5, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "HP Rubidium standard,type 5065A,S\/N 1736 A 0811", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1998-03-26 00:00:00", "date_to": "1999-05-18 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "1998-03-26 00:00:00", "date_to": "1999-05-18 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL RUBIDIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "1998-03-26 00:00:00", "date_to": "1999-05-18 00:00:00", "value_date": null, "value_numeric": 5, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "SIGMA TAU HYDROGEN MASER,\r\nmodel MHM - 2010 S\/N 0204", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "1999-05-18 00:00:00", "date_to": "2000-01-06 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "1999-05-18 00:00:00", "date_to": "2000-01-06 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL H-MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "1999-05-18 00:00:00", "date_to": "2000-01-06 00:00:00", "value_date": null, "value_numeric": 5, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2000-01-06 00:00:00", "date_to": "2015-02-10 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2000-01-06 00:00:00", "date_to": "2015-02-10 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2000-01-06 00:00:00", "date_to": "2015-02-10 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": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2015-02-10 00:00:00", "date_to": "2015-07-13 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2015-02-10 00:00:00", "date_to": "2015-07-13 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2015-02-10 00:00:00", "date_to": "2015-07-13 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": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2015-07-13 00:00:00", "date_to": "2018-11-19 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2015-07-13 00:00:00", "date_to": "2018-11-19 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL H-MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2015-07-13 00:00:00", "date_to": "2018-11-19 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2018-11-19 00:00:00", "date_to": "2019-02-12 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2018-11-19 00:00:00", "date_to": "2019-02-12 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL RUBIDIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "2018-11-19 00:00:00", "date_to": "2019-02-12 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "On 2019-02-12 the 10 MHz external frequency from\r\nRubibium was switched back to the the Sigma TAU\r\nMHM2010 MASER, but this resulted in immediate\r\nproblems with the tracking due to unknown\r\ncauses. The next day, the external frequency,\r\nwas disconnected from the receiver, and the\r\nreceiver is running on the internal oscillator.\r\nData from 2019-02-12 12:03 until 2019-02-129:03\r\nis not usable.", "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2019-02-13 00:00:00", "date_to": "2023-12-07 09:45:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2019-02-13 00:00:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2019-02-13 00:00:00", "date_to": "2023-12-07 09:45:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "DUT", "address": "Stevinweg 1\n2628 CN Delft\nNetherlands (the)", "infos": "", "name": "Delft University of Technology", "www": "" }, "comment": "", "email": "gnss-citg@tudelft.nl", "name": "TU Delft GNSS team", "phone": "+31 15 2784907", "role": "metadata_custodian", "title": "" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL H-MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2023-12-07 14:00:00", "date_to": null, "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } } ], "station_networks": [ { "name": "AGRS.NL" }, { "name": "EPOS" } ], "station_type": "GNSS Continuous" }