{ "cdp_num": null, "comment": null, "conditions": [], "country": "Belgium", "country_code_ISO": "BEL", "date_from": "2006-07-07 00:00:00", "date_to": null, "description": "CENTER OF HOLE IN STEEL PLATE", "geological": { "bedrock": { "condition": "FRESH", "type": "SEDIMENTARY" }, "characteristic": "SAND", "distance_to_fault": null, "fault_zone": "NO", "fracture_spacing": "0" }, "iers_domes": "13101M010", "instrument_collocation": [ { "comment": "", "date_from": "1993-10-20 00:00:00", "date_to": "2000-08-21 00:00:00", "status": "PERMANENT", "type": "CRYOGENIC GRAVIMETER" }, { "comment": "", "date_from": "1993-10-20 00:00:00", "date_to": null, "status": "PERMANENT", "type": "SEISMOMETER" } ], "local_ties": [ { "accuracy": 1, "comment": "L1 analysis covering period\r\n2011-05-16 to 2011-07-22.\r\nAn L3 analysis over the same period\r\nprovides (12.161;47.329;-23.745).\r\nGPS data analysis was done using igs08.atx\r\ncalibrations for BRUS and indiv.calib.\r\nfor BRUX (from University of Bonn and TU\r\nDarmstadt).", "cpd_num": null, "date_at": "2011-07-07 00:00:00", "dx": 12.161, "dy": 47.33, "dz": -23.744, "iers_domes": "13101M004", "name": "BRUS", "survey_method": "GPS CAMPAIGN", "usage": "IGS and EPN station" }, { "accuracy": 1, "comment": "L1 analysis covering period\r\n2011-007-23 to 2012-02-12.\r\nAn L3 analysis over the same period\r\nprovides (12.166;47.334;-23.748).\r\nDifferences between 5.2 and 5.3 are caused\r\nby an unexplained coordinate jump at BRUS\r\nat 2011-07-22.\r\nGPS data analysis was done using igs08.atx\r\ncalibrations for BRUS and indiv.calib.\r\nfor BRUX (from University of Bonn and TU\r\nDarmstadt).", "cpd_num": null, "date_at": "2011-11-02 00:00:00", "dx": 12.162, "dy": 47.331, "dz": -23.745, "iers_domes": "13101M004", "name": "BRUS", "survey_method": "GPS CAMPAIGN", "usage": "IGS and EPN station" }, { "accuracy": 3, "comment": "accuracy = 1 sigma", "cpd_num": null, "date_at": "2012-03-23 00:00:00", "dx": 12.164, "dy": 47.324, "dz": -23.739, "iers_domes": "13101M004", "name": "BRUS", "survey_method": "TRIANGULATION", "usage": "IGS and EPN station" } ], "location": { "city": "Brussels", "coordinates": { "X": 4027881.628, "Y": 306998.537, "Z": 4919498.984, "altitude": 158.3, "lat": 50.79806281977222, "lon": 4.358563471289608 }, "country": "Belgium", "country_iso_code": "BEL", "description": "", "state": "Brabant", "tectonic": { "plate_name": "EURASIAN" } }, "logs": { "contact": "GNSSatROB (gnss@oma.be)", "date": "2023-01-24 00:00:00", "log_type": "UPDATE", "modified": "UNAVAILABLE", "previous": "UNAVAILABLE", "title": "BRUX00BEL.xml" }, "marker": "BRUX", "monument": { "description": "STEEL MAST", "foundation": "CONCRETE BLOCK", "foundation_depth": 3, "height": 8, "monument_inscription": null }, "monument_num": 0, "name": "Brussels", "receiver_num": 0, "station_contacts": [ { "contact": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" } }, { "contact": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" } } ], "station_items": [ { "item": { "comment": "hardware replacement of receiver\r\nwith SN 1128, same receiver, but\r\ndifferent serial number (now 1436)", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2006-07-07 00:00:00", "date_to": "2008-02-14 09:00:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2006-07-07 00:00:00", "date_to": "2008-02-14 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX2" }, { "attribute": { "name": "serial_number" }, "date_from": "2006-07-07 00:00:00", "date_to": "2008-02-14 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "1436" }, { "attribute": { "name": "satellite_system" }, "date_from": "2006-07-07 00:00:00", "date_to": "2008-02-14 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2006-07-07 00:00:00", "date_to": "2008-02-14 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": "2.6.2" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2006-07-07 00:00:00", "date_to": "2008-02-14 09:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2006-07-07 00:00:00", "date_to": "2008-02-14 09:00:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2008-02-15 08:00:00", "date_to": "2010-06-28 13:55:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2008-02-15 08:00:00", "date_to": "2010-06-28 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "ASHTECH Z-XII3T" }, { "attribute": { "name": "serial_number" }, "date_from": "2008-02-15 08:00:00", "date_to": "2010-06-28 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "RT820015201" }, { "attribute": { "name": "satellite_system" }, "date_from": "2008-02-15 08:00:00", "date_to": "2010-06-28 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2008-02-15 08:00:00", "date_to": "2010-06-28 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": "1L01-1D04" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2008-02-15 08:00:00", "date_to": "2010-06-28 13:55:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2008-02-15 08:00:00", "date_to": "2010-06-28 13:55:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": null, "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2010-06-28 13:55:00", "date_to": "2012-01-31 13:00:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2010-06-28 13:55:00", "date_to": "2012-01-31 13:00:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX3ETR" }, { "attribute": { "name": "serial_number" }, "date_from": "2010-06-28 13:55:00", "date_to": "2012-01-31 13:00:00", "value_date": null, "value_numeric": null, "value_varchar": "2001060" }, { "attribute": { "name": "satellite_system" }, "date_from": "2010-06-28 13:55:00", "date_to": "2012-01-31 13:00:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO" }, { "attribute": { "name": "firmware_version" }, "date_from": "2010-06-28 13:55:00", "date_to": "2012-01-31 13:00:00", "value_date": null, "value_numeric": null, "value_varchar": "1.4.0" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2010-06-28 13:55:00", "date_to": "2012-01-31 13:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2010-06-28 13:55:00", "date_to": "2012-01-31 13:00:00", "value_date": null, "value_numeric": 0.2, "value_varchar": null } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver delay 1PPS in to 1PPS out was\r\nmeasured to be 145 ns.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2012-01-31 14:00:00", "date_to": "2012-03-05 14:00:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2012-01-31 14:00:00", "date_to": "2012-03-05 14:00:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX4TR" }, { "attribute": { "name": "serial_number" }, "date_from": "2012-01-31 14:00:00", "date_to": "2012-03-05 14:00:00", "value_date": null, "value_numeric": null, "value_varchar": "3001376" }, { "attribute": { "name": "satellite_system" }, "date_from": "2012-01-31 14:00:00", "date_to": "2012-03-05 14:00:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL" }, { "attribute": { "name": "firmware_version" }, "date_from": "2012-01-31 14:00:00", "date_to": "2012-03-05 14:00:00", "value_date": null, "value_numeric": null, "value_varchar": "2.3.3" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2012-01-31 14:00:00", "date_to": "2012-03-05 14:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2012-01-31 14:00:00", "date_to": "2012-03-05 14:00:00", "value_date": null, "value_numeric": 0.2, "value_varchar": null } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver delay 1PPS in to 1PPS out was\r\nmeasured to be 142.8 ns.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2012-03-05 16:00:00", "date_to": "2012-09-24 11:00:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2012-03-05 16:00:00", "date_to": "2012-09-24 11:00:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX4TR" }, { "attribute": { "name": "serial_number" }, "date_from": "2012-03-05 16:00:00", "date_to": "2012-09-24 11:00:00", "value_date": null, "value_numeric": null, "value_varchar": "3001376" }, { "attribute": { "name": "satellite_system" }, "date_from": "2012-03-05 16:00:00", "date_to": "2012-09-24 11:00:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL" }, { "attribute": { "name": "firmware_version" }, "date_from": "2012-03-05 16:00:00", "date_to": "2012-09-24 11:00:00", "value_date": null, "value_numeric": null, "value_varchar": "2.3-tst120216r34012" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2012-03-05 16:00:00", "date_to": "2012-09-24 11:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2012-03-05 16:00:00", "date_to": "2012-09-24 11:00:00", "value_date": null, "value_numeric": 0.2, "value_varchar": null } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver delay 1PPS in to 1PPS out was\r\nmeasured to be 142.8 ns.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2012-09-24 11:45:00", "date_to": "2013-02-04 12:40:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2012-09-24 11:45:00", "date_to": "2013-02-04 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX4TR" }, { "attribute": { "name": "serial_number" }, "date_from": "2012-09-24 11:45:00", "date_to": "2013-02-04 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "3001376" }, { "attribute": { "name": "satellite_system" }, "date_from": "2012-09-24 11:45:00", "date_to": "2013-02-04 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL" }, { "attribute": { "name": "firmware_version" }, "date_from": "2012-09-24 11:45:00", "date_to": "2013-02-04 12:40:00", "value_date": null, "value_numeric": null, "value_varchar": "2.3.4" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2012-09-24 11:45:00", "date_to": "2013-02-04 12:40:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2012-09-24 11:45:00", "date_to": "2013-02-04 12:40:00", "value_date": null, "value_numeric": 0.2, "value_varchar": null } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver delay 1PPS in to 1PPS out is\r\nsupposed to be unchanged (142.8 ns).", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2013-02-04 13:55:00", "date_to": "2014-03-17 10:10:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2013-02-04 13:55:00", "date_to": "2014-03-17 10:10:00", "value_date": null, "value_numeric": null, "value_varchar": "SEPT POLARX4TR" }, { "attribute": { "name": "serial_number" }, "date_from": "2013-02-04 13:55:00", "date_to": "2014-03-17 10:10:00", "value_date": null, "value_numeric": null, "value_varchar": "3001376" }, { "attribute": { "name": "satellite_system" }, "date_from": "2013-02-04 13:55:00", "date_to": "2014-03-17 10:10:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS+GLO+GAL+BDS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2013-02-04 13:55:00", "date_to": "2014-03-17 10:10:00", "value_date": null, "value_numeric": null, "value_varchar": "2.3.4" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2013-02-04 13:55:00", "date_to": "2014-03-17 10:10:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2013-02-04 13:55:00", "date_to": "2014-03-17 10:10:00", "value_date": null, "value_numeric": 0.2, "value_varchar": null } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "The receiver delay 1PPS in to 1PPS out was\r\nremeasured and found to be unchanged (142.8 ns).", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. 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Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2010-12-22 00:00:00", "date_to": "2011-03-23 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2010-12-22 00:00:00", "date_to": "2011-03-23 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2010-12-22 00:00:00", "date_to": "2011-03-23 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "At 12h UTC, 13h local time, on 2011-03-23 the\r\nreceiver was stopped, recabeled with an external\r\nreference (namely UTC(ROB), derived from a\r\nHP5071A), and restarted.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2011-03-23 00:00:00", "date_to": "2011-12-19 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2011-03-23 00:00:00", "date_to": "2011-12-19 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CESIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "2011-03-23 00:00:00", "date_to": "2011-12-19 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 5MHz output of the CH1-75A (maser3) passes a\r\nMinicircuits FD-2+ frequency doubler and then is\r\nused as input to a SpectraTime femtoStepper. The\r\noutput of this phase stepper (equal to UTC(ORB))\r\nis used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2011-12-19 00:00:00", "date_to": "2012-02-27 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2011-12-19 00:00:00", "date_to": "2012-02-27 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CH1-75A MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2011-12-19 00:00:00", "date_to": "2012-02-27 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 10MHz output of the Symmetricom 5071A (ces1)\r\nis used as input to a SpectraTime femtoStepper.\r\nThe output of this phase stepper (equal to\r\nUTC(ORB)) is used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2012-02-27 00:00:00", "date_to": "2012-03-01 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2012-02-27 00:00:00", "date_to": "2012-03-01 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CESIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "2012-02-27 00:00:00", "date_to": "2012-03-01 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 5MHz output of the CH1-75A (maser3) passes a\r\nMinicircuits FD-2+ frequency doubler and then is\r\nused as input to a SpectraTime femtoStepper. The\r\noutput of this phase stepper (equal to UTC(ORB))\r\nis used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2012-03-01 00:00:00", "date_to": "2013-07-09 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2012-03-01 00:00:00", "date_to": "2013-07-09 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CH1-75A MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2012-03-01 00:00:00", "date_to": "2013-07-09 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 10MHz of the Symmetricom 5071A (cesium2) is\r\nused as input to a SpectraTime femtoStepper. The\r\noutput of this phase stepper (equal to UTC(ORB))\r\nis used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2013-07-09 00:00:00", "date_to": "2015-06-03 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2013-07-09 00:00:00", "date_to": "2015-06-03 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL 5071A CESIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "2013-07-09 00:00:00", "date_to": "2015-06-03 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 5MHz output of the CH1-75A (maser3) passes\r\nan amplifier HP5087A and then is used as input\r\nto a SpectraTime femtoStepper. The output of\r\nthis phase stepper (equal to UTC(ORB)) is used\r\nas an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2015-06-03 00:00:00", "date_to": "2016-11-07 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2015-06-03 00:00:00", "date_to": "2016-11-07 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CH1-75A MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2015-06-03 00:00:00", "date_to": "2016-11-07 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 5MHz output of the CESIUM 5071A (ces3)\r\npasses an amplifier HP5087A and then is used as\r\ninput to a SpectraTime femtoStepper. The output\r\nof this phase stepper (equal to UTC(ORB)) is\r\nused as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2016-11-07 00:00:00", "date_to": "2016-11-17 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2016-11-07 00:00:00", "date_to": "2016-11-17 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL 5071A CESIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "2016-11-07 00:00:00", "date_to": "2016-11-17 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 5MHz output of the CH1-75A (maser3) passes\r\nan amplifier HP5087A and then is used as input\r\nto a SpectraTime femtoStepper. The output of\r\nthis phase stepper (equal to UTC(ORB)) is used\r\nas an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2016-11-17 00:00:00", "date_to": "2018-02-01 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2016-11-17 00:00:00", "date_to": "2018-02-01 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CH1-75A MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2016-11-17 00:00:00", "date_to": "2018-02-01 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 5MHz output of the CH1-75A (maser3) passes\r\nan amplifier HP5087A and then is used as input\r\nto a SpectraTime femtoStepper. The output of\r\nthis phase stepper (equal to UTC(ORB)) is used\r\nas an input to the receiver.\r\nREFDLY = 157.5 ns.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2018-02-01 00:00:00", "date_to": "2022-02-15 00:00:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2018-02-01 00:00:00", "date_to": "2022-02-15 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CH1-75A MASER" }, { "attribute": { "name": "input_frequency" }, "date_from": "2018-02-01 00:00:00", "date_to": "2022-02-15 00:00:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 10MHz output of the IMASER 3000 (maser4) is used as input to a SpectraTime femtoStepper. The output of this phase stepper (equal to UTC(ORB)) is used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2022-02-15 00:00:00", "date_to": "2022-08-16 10:20:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2022-02-15 00:00:00", "date_to": "2022-08-16 10:20:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL IMASER 3000" }, { "attribute": { "name": "input_frequency" }, "date_from": "2022-02-15 00:00:00", "date_to": "2022-08-16 10:20:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 10MHz output of an HP5071A is used as input to a SpectraTime femtoStepper for the steering on UTC. The output of this phase stepper (equal to UTC(ORB)) is used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2022-08-16 10:25:00", "date_to": "2022-10-10 11:20:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2022-08-16 10:25:00", "date_to": "2022-10-10 11:20:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CESIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "2022-08-16 10:25:00", "date_to": "2022-10-10 11:20:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 10MHz output of the IMASER 3000 (maser4) is used as input to a SpectraTime femtoStepper. The output of this phase stepper (equal to UTC(ORB)) is used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2022-10-10 12:10:00", "date_to": "2023-01-23 12:59:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2022-10-10 12:10:00", "date_to": "2023-01-23 12:59:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL IMASER 3000" }, { "attribute": { "name": "input_frequency" }, "date_from": "2022-10-10 12:10:00", "date_to": "2023-01-23 12:59:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 10MHz output of an HP5071A is used as input to a SpectraTime femtoStepper for the steering on UTC. The output of this phase stepper (equal to UTC(ORB)) is used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2023-01-23 13:00:00", "date_to": "2023-01-23 15:59:00", "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2023-01-23 13:00:00", "date_to": "2023-01-23 15:59:00", "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL CESIUM" }, { "attribute": { "name": "input_frequency" }, "date_from": "2023-01-23 13:00:00", "date_to": "2023-01-23 15:59:00", "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } }, { "item": { "comment": "The 10MHz output of the IMASER 3000 (maser4) is used as input to a SpectraTime femtoStepper. The output of this phase stepper (equal to UTC(ORB)) is used as an input to the receiver.", "contact_as_owner": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "ROB", "address": "Av. Circulaire 3\n1180 Brussels\nBelgium", "infos": "", "name": "Royal Observatory of Belgium", "www": "" }, "comment": "", "email": "gnss@oma.be", "name": "GNSSatROB", "phone": "", "role": "metadata_custodian", "title": "" }, "date_from": "2023-01-23 16:00:00", "date_to": null, "item_attributes": [ { "attribute": { "name": "standard_type" }, "date_from": "2023-01-23 16:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "EXTERNAL IMASER 3000" }, { "attribute": { "name": "input_frequency" }, "date_from": "2023-01-23 16:00:00", "date_to": null, "value_date": null, "value_numeric": 10, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } } ], "station_networks": [ { "name": "EPN" }, { "name": "EPOS" }, { "name": "IGS" }, { "name": "ROB_GNSS" } ], "station_type": "GNSS Continuous" }