IGSCB - David Maggert 2025-11-17 UPDATE Lhasa / Tibet / China LHAZ 21613M002 CONCRETE PILLAR ON THE ROOF 1.06 CONCRETE PILLAR ANCHORED ON THE ROOF SURVEY MARKER BOLT 1999-09-22T00:00:00Z Gravel NONE NONE none The concrete survey pillar is anchored on the roof on the building of the TBSM Tibet Autonomus Regional Bureau of Surveying and Mapping. The top of the pillar is 12.4 m above the ground. Also an AOA SNR-8000 ACT, Four character ID LHAS, on pillar LS 12, DOMES No. 21613M001 was observing from 1995-02-02 until 2007-01-30. Lhasa Tibet China EURASIAN -106942 5549270 3139215 29.6573313772 91.1040311408 The concrete survey pillar is anchored on the roof on the building of the TBSM Tibet Autonomus Regional Bureau of Surveying and Mapping. The top of the pillar is 12.4 m above the ground. Also an AOA SNR-8000 ACT, Four character ID LHAS, on pillar LS 12, DOMES No. 21613M001 was observing from 1995-02-02 until 2007-01-30. 199909108 ASHTECH Z18 GPS+GLO 0064 0 1999-09-22T00:00:00Z 2001-11-28T00:00:00Z 1999-09-22T00:00:00Z 199909108 ASHTECH Z18 GPS+GLO 0065 0 2001-11-28T00:00:00Z 2003-10-19T00:00:00Z 2001-11-28T00:00:00Z AG0XLFRDTZ4 JPS LEGACY GPS+GLO 2.2 Jun,13,2002 p3 0 2003-10-19T00:00:00Z 2003-11-24T10:00:00Z 2003-10-19T00:00:00Z AG0XLFRDTZ4 JPS LEGACY GPS+GLO 2.3 Oct,17,2003 p3 0 2003-11-24T10:00:00Z 2006-05-16T09:36:00Z 2003-11-24T00:00:00Z AE7PEWVFA4G TPS E_GGD GPS+GLO 2.5 Jun,22,2005 p1 0 2006-05-16T09:36:00Z 2008-01-18T07:14:00Z 2006-05-16T00:00:00Z AE7PEWVFA4G TPS E_GGD GPS+GLO 2.6.1 Jan,10,2008 0 2008-01-18T07:15:00Z 2010-03-26T10:09:00Z 2008-01-18T00:00:00Z AE7PEWVFA4G TPS E_GGD GPS+GLO 3.4 DEC,12,2009 P2 0 2010-03-26T10:10:00Z 2016-03-16T11:30:00Z 2010-03-26T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS 3.22/6.521 0 2016-03-16T12:00:00Z 2016-05-10T07:44:00Z 2016-03-16T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS 3.22/6.522 0 2016-05-10T07:45:00Z 2016-11-11T10:14:00Z 2016-05-10T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS 4.02/6.522 0 2016-11-11T10:15:00Z 2017-05-04T11:32:00Z 2016-11-11T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS 4.11/6.523 0 2017-05-04T11:40:00Z 2018-08-30T11:40:00Z 2017-05-04T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS 4.12/6.712 0 2018-08-30T11:45:00Z 2018-12-03T14:50:00Z 2018-08-30T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS 4.31/6.712 0 2018-12-03T15:10:00Z 2019-08-01T09:15:00Z 2018-12-03T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS+SBAS 4.31/6.712 0 2019-08-01T09:17:00Z 2021-05-21T07:45:00Z 2019-08-01T00:00:00Z 1831026 LEICA GR25 GPS+GLO+GAL+BDS+SBAS 4.50/6.713 0 2021-05-21T11:15:00Z 2021-05-21T00:00:00Z 2199911007 ASH701941.B SNOW BPA 0.1350 0.0000 0.0000 0 SNOW RG214 30 1999-09-22T00:00:00Z 2007-02-28T09:00:00Z 1999-09-22T00:00:00Z 2199911007 ASH701941.B SNOW BPA 0.1330 0.0000 0.0000 0 SNOW RG214 30 2007-02-28T09:00:00Z 2013-09-12T08:09:00Z 2007-02-28T00:00:00Z 2199911007 ASH701941.B NONE BPA 0.1330 0.0000 0.0000 0 NONE RG214 30 2013-09-12T08:10:00Z 2014-02-11T07:59:00Z 2013-09-12T00:00:00Z 2199911007 ASH701941.B SNOW BPA 0.1330 0.0000 0.0000 0 SNOW RG214 30 2014-02-11T08:00:00Z 2016-03-16T11:30:00Z 2014-02-11T00:00:00Z 08430006 LEIAR25.R4 LEIT BPA 0.1330 0.0000 0.0000 0 LEIT RG214 30 2016-03-16T12:00:00Z 2016-03-16T00:00:00Z LHAS GPS 21613M001 3.4007 -0.3697 0.8643 0 GPS 2000-02-25T00:00:00Z AOA SNR-8000 ACT 2000-02-25T00:00:00Z INTERNAL 1999-09-22 1999-09-22T00:00:00Z AOA SNR-8000 ACT GPS LHAS PERMANENT 1995-05-02 2007-01-30 Four character ID LHAS 1995-05-02T00:00:00Z MP440-020 Humidity Sensor is above the antenna. Meteorological data site LHAS 176 2000/10 -0.5 1995-05-02 1996-09-22 900 1.5 CAPACITANCE PROBE 1995-05-02T00:00:00Z MP408A-T4-W4W Humidity Sensor is above the antenna. Meteorological data site LHAS ROTRONIC 1972 026 -0.5 1996-09-22 1999-08-27 900 1.5 CAPACITANCE PROBE 1996-09-22T00:00:00Z MP410-T4-W4W Humidity Sensor is above the antenna. Meteorological data site LHAS ROTRONIC 9984 009 -0.5 1999-08-27 2003-10-19 900 1.5 CAPACITANCE PROBE 1999-08-27T00:00:00Z MP408A-T4-W4W Humidity Sensor is above the antenna. Meteorological data site LHAS ROTRONIC 21206 005 -0.5 2003-10-19 900 1.5 CAPACITANCE PROBE 2003-10-19T00:00:00Z APS Pressure Sensor is below the antenna. Meteorological data site LHAS ROESSLER + CIE 11 5A011 95 3.0 1995-05-02 1999-08-27 900 1 1995-05-02T00:00:00Z APS Pressure Sensor is below the antenna. Meteorological data site LHAS ROESSLER + CIE 11 5A011 95 5.7 1999-08-27 2003-10-19 900 1 1999-08-27T00:00:00Z APS Pressure Sensor is below the antenna. Meteorological data site LHAS ROESSLER + CIE 11 5A011 95 4.9 2003-10-19 900 1 2003-10-19T00:00:00Z MP440-020 Temperature Sensor is above the antenna. Meteorological data site LHAS. 176 2000/10 -0.5 1995-05-02 1996-09-22 900 0.3 PLATINUM PROBE 1995-05-02T00:00:00Z MP408A-T4-W4W Temperature Sensor is above the antenna. Meteorological data site LHAS. ROTRONIC 1972 026 -0.5 1996-09-22 1999-08-27 900 0.3 PLATINUM PROBE 1996-09-22T00:00:00Z MP410-T4-W4W Temperature Sensor is above the antenna. Meteorological data site LHAS. ROTRONIC 9984 009 -0.5 1999-08-27 2003-10-19 900 0.3 PLATINUM PROBE 1999-08-27T00:00:00Z MP408A-T4-W4W Temperature Sensor is above the antenna. Meteorological data site LHAS. ROTRONIC 21206 005 -0.5 2003-10-19 900 0.3 PLATINUM PROBE 2003-10-19T00:00:00Z GOW Operator Federal Agency for Cartography and Geodesy Geodetic Observatory Wettzell ++49-99416030 ++49-9941-603122 ++49-9941-603222 Federal Agency for Cartography and Geodesy Geodetic Observatory Wettzell Sackenrieder Strasse 25 D-93444 Bad Koetzting Germany gnss_wtz@bkg.bund.de BKG GNSS Data Center Federal Agency for Cartography and Geodesy Geodetic Observatory Wettzell +49 69 6333274 +49 69 63331 +49 69 6333425 Federal Agency for Cartography and Geodesy Geodetic Observatory Wettzell Sackenrieder Strasse 25 D-93444 Bad Koetzting Germany bkg-gdc@bkg.bund.de Mr. Wang Yongshang in Beijing Tibet Autonomous Regional Buerau of Surveying and Mapping ++86-10-68730901 ++86-10-68424101 Tibet Autonomous Regional Buerau of Surveying and Mapping No. 36 Beijing Middle Road Lhasa, Tibet 850001 China wys@nsdi.gov.cn Mr. Tsam Dorge Tibet Autonomous Regional Buerau of Surveying and Mapping ++86-891-6839393 ++86-891-6833980 Tibet Autonomous Regional Buerau of Surveying and Mapping No. 36 Beijing Middle Road Lhasa, Tibet 850001 China tsam-dorge@vip.sina.com BKG IGN www.bkg.bund.de, www.wettzell.ifag.de Y Y ASH701941.B from 1999-09-22 until 2016-03-16 +---------+ / + \ <-- 0.1267 L2 | + | <-- 0.1080 L1 +-----------------+-------------+------------------+ <-- 0.1008 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0378 +-------------------+-------------+--------------------+ <-- 0.0348 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3794 --> LEIAR25.R4 from 2016-03-16 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1606 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3802 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier TOP: Top of Pole All dimensions are in meters. TODO LHAZ00CHN.jpg image 2022-09-08T13:50:57Z