{ "cdp_num": null, "comment": "Antenna mounted with a special\r\ntribrach on a rivet thread of a\r\ncircular tube of steel, 1.5 m\r\nlength. Fixed on the gable of\r\na building (WSA Emden), 10.0 m\r\nabove the ground. 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"date_from": "2001-04-18 14:00:00", "date_to": "2005-01-13 11:05:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2001-04-18 14:00:00", "date_to": "2005-01-13 11:05:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "Firmware update", "contact_as_owner": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "metadata_custodian", "title": "" }, "date_from": "2005-01-13 11:05:00", "date_to": "2007-06-04 00:00:00", "item_attributes": [ { "attribute": { "name": "receiver_type" }, "date_from": "2005-01-13 11:05:00", "date_to": "2007-06-04 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "TRIMBLE 4700" }, { "attribute": { "name": "serial_number" }, "date_from": "2005-01-13 11:05:00", "date_to": "2007-06-04 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "0220219865" }, { "attribute": { "name": "satellite_system" }, "date_from": "2005-01-13 11:05:00", "date_to": "2007-06-04 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "GPS" }, { "attribute": { "name": "firmware_version" }, "date_from": "2005-01-13 11:05:00", "date_to": "2007-06-04 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "00141|00000|00100" }, { "attribute": { "name": "elevation_cutoff_setting" }, "date_from": "2005-01-13 11:05:00", "date_to": "2007-06-04 00:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "temperature_stabilization" }, "date_from": "2005-01-13 11:05:00", "date_to": "2007-06-04 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "NaN" } ], "item_type": { "name": "receiver" } } }, { "item": { "comment": "Antenna calibrated, IGS conform,\r\nby LGN.\r\nAntenna type calibrated\r\nabsolute, field measurements,\r\nby Geo++ GmbH, Garbsen.\r\nPCV are available at 11.\r\nTrimble Antenna TRM29659.00\r\nwith white conical Ashtech\r\nRadome SNOW.", "contact_as_owner": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "metadata_custodian", "title": "" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "TRM29659.00" }, { "attribute": { "name": "serial_number" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "0220187547" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "BPA" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": 0.054, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "RG 214" }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": 30, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": "Antenna calibrated, IGS conform,\r\nby LGN.\r\nAntenna type calibrated\r\nabsolute, field measurements,\r\nby Geo++ GmbH, Garbsen.\r\nPCV are available at 11.\r\nTrimble Antenna TRM29659.00\r\nwith white conical Ashtech\r\nRadome SNOW.", "contact_as_owner": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "metadata_custodian", "title": "" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "item_attributes": [ { "attribute": { "name": "radome_type" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": "SNOW" }, { "attribute": { "name": "serial_number" }, "date_from": "2000-09-29 00:00:00", "date_to": "2001-10-11 00:00:00", "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "radome" } } }, { "item": { "comment": "New measurement with higher\r\naccuracy led to the change of\r\nthe antenna height by 1 mm.\r\nThere was no variation of the\r\nantenna itself.\r\nL2 interferences of the TRM29659.00\r\nSNOW have produced decreasing data\r\nquantities below 15 degree elevation\r\nsince 2003-03-19.", "contact_as_owner": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "gnss_wtz@bkg.bund.de", "name": "GOW Operator", "phone": "+49 9941 6030", "role": "metadata_custodian", "title": "" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "item_attributes": [ { "attribute": { "name": "antenna_type" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": null, "value_varchar": "TRM29659.00" }, { "attribute": { "name": "serial_number" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": null, "value_varchar": "0220187547" }, { "attribute": { "name": "antenna_reference_point" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": null, "value_varchar": "BPA" }, { "attribute": { "name": "marker_arp_up_ecc" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": 0.053, "value_varchar": null }, { "attribute": { "name": "marker_arp_north_ecc" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "marker_arp_east_ecc" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "alignment_from_true_n" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": 0, "value_varchar": null }, { "attribute": { "name": "antenna_cable_type" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": null, "value_varchar": "RG 214" }, { "attribute": { "name": "antenna_cable_length" }, "date_from": "2001-10-11 00:00:00", "date_to": "2003-06-02 12:20:00", "value_date": null, "value_numeric": 30, "value_varchar": null } ], "item_type": { "name": "antenna" } } }, { "item": { "comment": "New measurement with higher\r\naccuracy led to the change of\r\nthe antenna height by 1 mm.\r\nThere was no variation of the\r\nantenna itself.\r\nL2 interferences of the TRM29659.00\r\nSNOW have produced decreasing data\r\nquantities below 15 degree elevation\r\nsince 2003-03-19.", "contact_as_owner": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und 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