TU Delft GNSS team (gnss-citg@tudelft.nl) 2026-02-19 UPDATE Kootwijk Observatory for Satellite Geodesy KOS1 0 0 None 13504M005 1.5 CONCRETE BUILDING Bottom of the pin under the antenna mount 2013-05-23 SEDIMENTARY Kootwijk Gelderland Near Apeldoorn 3002129 0.0 0.0 2013-06-18T12:20:00Z 3002129 0.0 0.0 2013-09-10T09:58:00Z 3002129 0.0 0.0 2015-02-18T15:33:00Z 3002129 0.0 0.0 2015-06-18T08:45:00Z 3002129 0.0 0.0 2017-01-18T15:04:00Z 3002129 0.0 0.0 2018-12-17T15:04:00Z 3002129 0.0 0.0 2020-04-20T09:34:00Z 3002074 0.0 0.0 2020-09-21T13:34:00Z 3048419 0.0 0.0 2022-12-06T19:18:00Z 3048419 0.0 0.0 2025-08-06T14:19:00Z 3048419 0.0 0.0 2026-02-19T18:06:00Z 3048419 0.0 0.0 2026-02-19T18:06:00Z Antenna and radome have been absolutely calibrated by geo++ 10050009 0.13 0.0 0.0 0.0 30.0 2013-05-23T00:00:00Z -388.53 -630.93 339.58 5.0 2013-06-27T00:00:00Z 2013-06-27 1973-01-01 1973-01-01 1973-01-01 1984-01-01 2013-05-23 ARP: antenna reference point BCR: bottom of chokering BPA: bottom of preamplifier TCR: top of chokering]]> ARP: antenna reference point BCR: bottom of chokering BPA: bottom of preamplifier TCR: top of chokering]]>