LHAZ Site Information Form (site log) International GNSS Service See Instructions at: ftp://igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Uwe Hessels Date Prepared : 2016-11-11 Report Type : UPDATE If Update: Previous Site Log : lhaz_20160511.log Modified/Added Sections : 3.9, 3.10, 12 1. Site Identification of the GNSS Monument Site Name : Lhasa / Tibet / China Four Character ID : LHAZ Monument Inscription : IERS DOMES Number : 21613M002 CDP Number : Monument Description : CONCRETE PILLAR ON THE ROOF Height of the Monument : 1.06 m Monument Foundation : CONCRETE PILLAR ANCHORED ON THE ROOF Foundation Depth : Marker Description : SURVEY MARKER BOLT Date Installed : 1999-09-22T00:00Z Geologic Characteristic : Gravel Bedrock Type : NONE Bedrock Condition : NONE Fracture Spacing : none Fault zones nearby : Distance/activity : Additional Information : 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. 2. Site Location Information City or Town : Lhasa State or Province : Tibet Country : China Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : -106943.50 Y coordinate (m) : 5549296.14 Z coordinate (m) : 3139212.60 Latitude (N is +) : +293926.39 Longitude (E is +) : +0910614.48 Elevation (m,ellips.) : 03622.0 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLO Serial Number : 199909108 Firmware Version : 0064 Elevation Cutoff Setting : 0 deg Date Installed : 1999-09-22T00:00Z Date Removed : 2001-11-28T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLO Serial Number : 199909108 Firmware Version : 0065 Elevation Cutoff Setting : 0 deg Date Installed : 2001-11-28T00:00Z Date Removed : 2003-10-19T00:00Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : AG0XLFRDTZ4 Firmware Version : 2.2 Jun,13,2002 p3 Elevation Cutoff Setting : 0 deg Date Installed : 2003-10-19T00:00Z Date Removed : 2003-11-24T10:00Z Temperature Stabiliz. : none Additional Information : Additional number : 235-0365 on the : type level 3.4 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : AG0XLFRDTZ4 Firmware Version : 2.3 Oct,17,2003 p3 Elevation Cutoff Setting : 0 deg Date Installed : 2003-11-24T10:00Z Date Removed : 2006-05-16T09:36Z Temperature Stabiliz. : none Additional Information : /par/lock/notvis switched : to "on". : Additional number : 235-0365 on the : type level 3.5 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AE7PEWVFA4G Firmware Version : 2.5 Jun,22,2005 p1 Elevation Cutoff Setting : 0 deg Date Installed : 2006-05-16T09:36Z Date Removed : 2008-01-18T07:14Z Temperature Stabiliz. : none Additional Information : /par/lock/notvis switched : to "on". 3.6 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AE7PEWVFA4G Firmware Version : 2.6.1 Jan,10,2008 Elevation Cutoff Setting : 0 deg Date Installed : 2008-01-18T07:15Z Date Removed : 2010-03-26T10:09Z Temperature Stabiliz. : none Additional Information : /par/lock/notvis switched : to "on". 3.7 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AE7PEWVFA4G Firmware Version : 3.4 DEC,12,2009 P2 Elevation Cutoff Setting : 0 deg Date Installed : 2010-03-26T10:10Z Date Removed : 2016-03-16T11:30Z Temperature Stabiliz. : none Additional Information : /par/lock/notvis switched : to "on". 3.8 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1831026 Firmware Version : 3.22/6.521 Elevation Cutoff Setting : 0 deg Date Installed : 2016-03-16T12:00Z Date Removed : 2016-05-10T07:44Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1831026 Firmware Version : 3.22/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-05-10T07:45Z Date Removed : 2016-11-11T10:14Z Temperature Stabiliz. : none Additional Information : 3.10 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1831026 Firmware Version : 4.02/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-11-11T10:15Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+SBAS) Serial Number : (A20, but note the first A5 is used in SINEX) Firmware Version : (A11) Elevation Cutoff Setting : (deg) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 4. GNSS Antenna Information 4.1 Antenna Type : ASH701941.B SNOW Serial Number : 2199911007 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.1350 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 deg Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 m Date Installed : 1999-09-22T00:00Z Date Removed : 2007-02-28T09:00Z Additional Information : Ashtech Choke Ring : Antenna GG, Part No. : 701941 REV B with : dome SNOW. 4.2 Antenna Type : ASH701941.B SNOW Serial Number : 2199911007 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.1330 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 deg Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 m Date Installed : 2007-02-28T09:00Z Date Removed : 2013-09-12T08:09Z Additional Information : Ashtech Choke Ring : Antenna GG, Part No. : 701941 REV B with : dome SNOW. 4.3 Antenna Type : ASH701941.B NONE Serial Number : 2199911007 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.1330 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 m Date Installed : 2013-09-12T08:10Z Date Removed : 2014-02-11T07:59Z Additional Information : Ashtech Choke Ring : Antenna GG, Part No. : 701941 REV B without radome. 4.4 Antenna Type : ASH701941.B SNOW Serial Number : 2199911007 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.1330 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 deg Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 m Date Installed : 2014-02-11T08:00Z Date Removed : 2016-03-16T11:30Z Additional Information : Ashtech Choke Ring : Antenna GG, Part No. : 701941 REV B with : dome SNOW. : The exactly time of the : reinstallation of the dome : is not known. We put a fictive : time to sections 4.3 and 4.4 4.5 Antenna Type : LEIAR25.R4 LEIT Serial Number : 08430006 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.1330 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 deg Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 m Date Installed : 2016-03-16T12:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : From 2016-03-16 until 2016-05-11 : the wrong antenna serial number : 725299 was reported in the RINEX Headers : and in the LHAZ Site Information Form : sitelog lhaz_20160317.log. : The true serial number is 08430006. : Antenna serial number 08430006 with : Radome unspiked calibrated : by Geo++, 2010-12-06, : Antenna with Radome calibrated by : Universitaet Bonn, 2011-04-20. 4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions) Serial Number : (A*, but note the first A5 is used in SINEX) Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.) Marker->ARP Up Ecc. (m) : (F8.4) Marker->ARP North Ecc(m) : (F8.4) Marker->ARP East Ecc(m) : (F8.4) Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : (A4 from rcvr_ant.tab; see instructions) Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 5. Surveyed Local Ties 5.1 Tied Marker Name : LHAS Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 21613M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 3.4007 dy (m) : -0.3697 dz (m) : 0.8643 Accuracy (mm) : 0.0007 mm Survey method : GPS Date Measured : 2000-02-25T00:00Z Additional Information : AOA SNR-8000 ACT 5.x Tied Marker Name : Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc) Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : (m) dy (m) : (m) dz (m) : (m) Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : 1999-09-22/CCYY-MM-DD Notes : 6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc) Input Frequency : (if external) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 7. Collocation Information 7.1 Instrumentation Type : AOA SNR-8000 ACT GPS LHAS Status : PERMANENT Effective Dates : 1995-05-02/2007-01-30 Notes : Four character ID LHAS 7.x Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8. Meteorological Instrumentation 8.1.1 Humidity Sensor Model : MP440-020 Manufacturer : Serial Number : 176 2000/10 Data Sampling Interval : 900 sec Accuracy (% rel h) : 1.5 Aspiration : CAPACITANCE PROBE Height Diff to Ant : -0.5 m Calibration date : (CCYY-MM-DD) Effective Dates : 1995-05-02/1996-09-22 Notes : Humidity Sensor is above : the antenna. : Meteorological data site LHAS 8.1.2 Humidity Sensor Model : MP408A-T4-W4W Manufacturer : ROTRONIC Serial Number : 1972 026 Data Sampling Interval : 900 sec Accuracy (% rel h) : 1.5 Aspiration : CAPACITANCE PROBE Height Diff to Ant : -0.5 m Calibration date : (CCYY-MM-DD) Effective Dates : 1996-09-22/1999-08-27 Notes : Humidity Sensor is above : the antenna. : Meteorological data site LHAS 8.1.3 Humidity Sensor Model : MP410-T4-W4W Manufacturer : ROTRONIC Serial Number : 9984 009 Data Sampling Interval : 900 sec Accuracy (% rel h) : 1.5 Aspiration : CAPACITANCE PROBE Height Diff to Ant : -0.5 m Calibration date : (CCYY-MM-DD) Effective Dates : 1999-08-27/2003-10-19 Notes : Humidity Sensor is above : the antenna. : Meteorological data site LHAS 8.1.4 Humidity Sensor Model : MP408A-T4-W4W Manufacturer : ROTRONIC Serial Number : 21206 005 Data Sampling Interval : 900 sec Accuracy (% rel h) : 1.5 Aspiration : CAPACITANCE PROBE Height Diff to Ant : -0.5 m Calibration date : (CCYY-MM-DD) Effective Dates : 2003-10-19/CCYY-MM-DD Notes : Humidity Sensor is above : the antenna. : Meteorological data site LHAS 8.1.x Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy (% rel h) : (% rel h) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.2.1 Pressure Sensor Model : APS Manufacturer : ROESSLER + CIE Serial Number : 11 5A011 95 Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 3 m Calibration date : (CCYY-MM-DD) Effective Dates : 1995-05-02/1999-08-27 Notes : Pressure Sensor is below : the antenna. : Meteorological data site LHAS 8.2.2 Pressure Sensor Model : APS Manufacturer : ROESSLER + CIE Serial Number : 11 5A011 95 Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 5.7 m Calibration date : (CCYY-MM-DD) Effective Dates : 1999-08-27/2003-10-19 Notes : Pressure Sensor is below : the antenna. : Meteorological data site LHAS 8.2.3 Pressure Sensor Model : APS Manufacturer : ROESSLER + CIE Serial Number : 11 5A011 95 Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 4.9 m Calibration date : (CCYY-MM-DD) Effective Dates : 2003-10-19/CCYY-MM-DD Notes : Pressure Sensor is below : the antenna. : Meteorological data site LHAS 8.2.x Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.3.1 Temp. Sensor Model : MP440-020 Manufacturer : Serial Number : 176 2000/10 Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : PLATINUM PROBE Height Diff to Ant : -0.5 m Calibration date : Effective Dates : 1995-05-02/1996-09-22 Notes : Temperature Sensor is : above the antenna. : Meteorological data site LHAS. 8.3.2 Temp. Sensor Model : MP408A-T4-W4W Manufacturer : ROTRONIC Serial Number : 1972 026 Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : PLATINUM PROBE Height Diff to Ant : -0.5 m Calibration date : Effective Dates : 1996-09-22/1999-08-27 Notes : Temperature Sensor is : above the antenna. : Meteorological data site LHAS. 8.3.3 Temp. Sensor Model : MP410-T4-W4W Manufacturer : ROTRONIC Serial Number : 9984 009 Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : PLATINUM PROBE Height Diff to Ant : -0.5 m Calibration date : Effective Dates : 1999-08-27/2003-10-19 Notes : Temperature Sensor is : above the antenna. : Meteorological data site LHAS. 8.3.4 Temp. Sensor Model : MP408A-T4-W4W Manufacturer : ROTRONIC Serial Number : 21206 005 Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : PLATINUM PROBE Height Diff to Ant : -0.5 m Calibration date : Effective Dates : 2003-10-19/CCYY-MM-DD Notes : Temperature Sensor is : above the antenna. : Meteorological data site LHAS. 8.3.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (deg C) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.4.x Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : (m) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.x Signal Obstructions : (TREES/BUILDINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 10. Local Episodic Effects Possibly Affecting Data Quality 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Tibet Autonomous Regional Buerau : of Surveying and Mapping Preferred Abbreviation : TBSM Mailing Address : Tibet Autonomous Regional Buerau of : Surveying and Mapping : No. 36 Beijing Middle Road : Lhasa, Tibet 850001 : China Primary Contact Contact Name : Mr. Tsam Dorge Telephone (primary) : ++86-891-6839393 Telephone (secondary) : Fax : ++86-891-6833980 E-mail : tsam-dorge@vip.sina.com Secondary Contact Contact Name : Mr. Wang Yongshang in Beijing Telephone (primary) : ++86-10-68730901 Telephone (secondary) : Fax : ++86-10-68424101 E-mail : wys@nsdi.gov.cn Additional Information : 12. Responsible Agency (if different from 11.) Agency : Bundesamt fuer Kartographie : und Geodaesie : Geodetical Observatory Wettzell Preferred Abbreviation : BKG Mailing Address : Bundesamt fuer Kartographie : und Geodaesie : Geodetical Observatory Wettzell : Sackenrieder Strasse 25 : D-93444 Bad Koetzting : Germany Primary Contact Contact Name : Uwe Hessels Telephone (primary) : ++49-9941-603208 Telephone (secondary) : ++49-9941-6030 Fax : ++49-9941-603222 E-mail : uwe.hessels@bkg.bund.de Secondary Contact Contact Name : Dr. Alexander Neidhardt Telephone (primary) : ++49-9941-603263 Telephone (secondary) : ++49-9941-6030 Fax : ++49-9941-603222 E-mail : neidhardt@fs.wettzell.de Additional Information : Swetlana Maehler : ++49-9941-603201 : swetlana.maehler@bkg.bund.de 13. More Information Primary Data Center : BKG Secondary Data Center : IGN URL for More Information : www.bkg.bund.de, www.wettzell.ifag.de Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions 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.