HKWS 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) : Lands Department, Hong Kong Date Prepared : 2017-08-10 Report Type : UPDATE If Update: Previous Site Log : hkws_20161215.log Modified/Added Sections : 3.30, 3.31 1. Site Identification of the GNSS Monument Site Name : Wong Shek Four Character ID : HKWS Monument Inscription : IERS DOMES Number : 23019M001 CDP Number : Monument Description : SCIGN MOUNT ON 5m CONCRETE PILLAR Height of the Monument : 5 m Monument Foundation : CONCRETE BLOCK Foundation Depth : Marker Description : SCIGN MOUNT Date Installed : 2004-07-01T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : 2. Site Location Information City or Town : Wong Shek State or Province : Hong Kong Country : China Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : -2430579.004 Y coordinate (m) : 5374285.676 Z coordinate (m) : 2418956.331 Latitude (N is +) : +222603.41646 Longitude (E is +) : +1142007.35829 Elevation (m,ellips.) : 63.789 Additional Information : Approximate coordinate refer to ITRF96 3. GNSS Receiver Information 3.1 Receiver Type : LEICA SR530 Satellite System : GPS Serial Number : 137256 Firmware Version : 4.22/1.39 Elevation Cutoff Setting : 0 deg Date Installed : 2004-07-01T00:00Z Date Removed : 2005-03-09T23:59Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 2.00/2.121 Elevation Cutoff Setting : 0 deg Date Installed : 2005-03-10T00:00Z Date Removed : 2006-02-20T23:59Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 450234 Firmware Version : 2.47/2.121 Elevation Cutoff Setting : 0 deg Date Installed : 2006-02-21T00:00Z Date Removed : 2006-02-22T23:59Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 2.00/2.121 Elevation Cutoff Setting : 0 deg Date Installed : 2006-02-23T00:00Z Date Removed : 2006-09-28T23:59Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 4.10/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2006-09-29T00:00Z Date Removed : 2007-01-22T23:59Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 450235 Firmware Version : 4.10/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2007-01-23T00:00Z Date Removed : 2007-01-26T23:59Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 4.10/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2007-01-27T00:00Z Date Removed : 2007-03-26T23:59Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 450234 Firmware Version : 4.10/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2007-03-27T00:00Z Date Removed : 2007-03-29T23:59Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 4.10/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2007-03-30T00:00Z Date Removed : 2008-03-19T23:59Z Temperature Stabiliz. : none Additional Information : 3.10 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 450234 Firmware Version : 4.10/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2008-03-20T00:00Z Date Removed : 2008-04-03T23:59Z Temperature Stabiliz. : none Additional Information : 3.11 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 5.62/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2008-04-04T00:00Z Date Removed : 2008-08-14T23:59Z Temperature Stabiliz. : none Additional Information : 3.12 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 6.00/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2008-08-15T00:00Z Date Removed : 2009-03-19T23:59Z Temperature Stabiliz. : none Additional Information : 3.13 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 450234 Firmware Version : 6.02/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2009-03-20T00:00Z Date Removed : 2009-04-01T23:59Z Temperature Stabiliz. : none Additional Information : 3.14 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 6.00/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2009-04-02T00:00Z Date Removed : 2009-11-26T23:59Z Temperature Stabiliz. : none Additional Information : 3.15 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 7.53/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2009-11-27T00:00Z Date Removed : 2010-04-20T23:59Z Temperature Stabiliz. : none Additional Information : 3.16 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 7.80/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2010-04-21T00:00Z Date Removed : 2010-07-23T23:59Z Temperature Stabiliz. : none Additional Information : 3.17 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 8.00/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2010-07-24T00:00Z Date Removed : 2010-10-12T23:59Z Temperature Stabiliz. : none Additional Information : 3.18 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 8.01/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2010-10-13T00:00Z Date Removed : 2011-04-12T23:59Z Temperature Stabiliz. : none Additional Information : 3.19 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 455687 Firmware Version : 8.10/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2011-04-13T00:00Z Date Removed : 2011-08-01T23:59Z Temperature Stabiliz. : none Additional Information : 3.20 Receiver Type : LEICA GRX1200PRO Satellite System : GPS Serial Number : 450235 Firmware Version : 8.20/2.125 Elevation Cutoff Setting : 0 deg Date Installed : 2011-08-02T00:00Z Date Removed : 2011-09-06T04:59Z Temperature Stabiliz. : none Additional Information : 3.21 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO Serial Number : 455687 Firmware Version : 8.20/4.007 Elevation Cutoff Setting : 0 deg Date Installed : 2011-09-07T05:00Z Date Removed : 2012-07-17T02:59Z Temperature Stabiliz. : none Additional Information : 3.22 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO Serial Number : 455687 Firmware Version : 8.51/6.110 Elevation Cutoff Setting : 0 deg Date Installed : 2012-07-17T03:00Z Date Removed : 2014-11-24T09:59Z Temperature Stabiliz. : none Additional Information : 3.23 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO Serial Number : 455687 Firmware Version : 9.20/6.404 Elevation Cutoff Setting : 0 deg Date Installed : 2014-11-24T10:00Z Date Removed : 2015-04-03T03:59Z Temperature Stabiliz. : none Additional Information : 3.24 Receiver Type : LEICA GRX1200+GNSS Satellite System : GPS+GLO+BDS Serial Number : 455687 Firmware Version : 9.20/6.404 Elevation Cutoff Setting : 0 deg Date Installed : 2015-04-04T04:00Z Date Removed : 2015-10-26T02:00Z Temperature Stabiliz. : none Additional Information : 3.25 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870213 Firmware Version : 3.21/6.403 Elevation Cutoff Setting : 0 deg Date Installed : 2015-10-26T02:13Z Date Removed : 2015-12-07T03:09Z Temperature Stabiliz. : none Additional Information : 3.26 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870213 Firmware Version : 3.22/6.521 Elevation Cutoff Setting : 0 deg Date Installed : 2015-12-07T03:10Z Date Removed : 2016-03-13T05:49Z Temperature Stabiliz. : none Additional Information : 3.27 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+BDS Serial Number : 1870213 Firmware Version : 3.22/6.521 Elevation Cutoff Setting : 0 deg Date Installed : 2016-03-13T05:50Z Date Removed : 2016-04-25T02:09Z Temperature Stabiliz. : none Additional Information : Disable tracking GAL, QZSS, SBAS signal due to : the firmware problem. 3.28 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870213 Firmware Version : 3.22/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-04-25T02:10Z Date Removed : 2016-07-29T00:53Z Temperature Stabiliz. : none Additional Information : 3.29 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+BDS Serial Number : 1870213 Firmware Version : 3.22/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-07-29T00:54Z Date Removed : 2016-12-15T03:10Z Temperature Stabiliz. : none Additional Information : Due to the limitation of available channels, : only GPS+GLO+BDS satellites are tracked. More : satellite systems will be tracked in near : future. 3.30 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870257 Firmware Version : 4.02.386/7.002 Elevation Cutoff Setting : 0 deg Date Installed : 2016-12-15T03:30Z Date Removed : 2017-08-10T03:16Z Temperature Stabiliz. : none Additional Information : 3.31 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870257 Firmware Version : 4.11.606/7.102 Elevation Cutoff Setting : 0 deg Date Installed : 2017-08-10T03:20Z 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 : LEIAT504 NONE Serial Number : Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 10 m Date Installed : 2004-07-01T00:00Z Date Removed : 2004-12-21T23:59Z Additional Information : No record of serial number 4.2 Antenna Type : LEIAT504 LEIS Serial Number : Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : LEIS Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 10 m Date Installed : 2004-12-22T00:00Z Date Removed : 2011-09-07T00:00Z Additional Information : No record of serial number 4.3 Antenna Type : LEIAR25.R4 LEIT Serial Number : 725198 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 10 m Date Installed : 2011-09-07T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : 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.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 : 2004-07-01/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.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 : Met4A Manufacturer : Paroscientific Serial Number : DQ126337 Data Sampling Interval : 60 sec Accuracy (% rel h) : 2 Aspiration : FAN Height Diff to Ant : -1 m Calibration date : (CCYY-MM-DD) Effective Dates : 2013-01-08/CCYY-MM-DD Notes : 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 : Met4A Manufacturer : Paroscientific Serial Number : DQ126337 Data Sampling Interval : 60 sec Accuracy : 0.08 hPa Height Diff to Ant : -1 m Calibration date : (CCYY-MM-DD) Effective Dates : 2013-01-08/CCYY-MM-DD Notes : 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 : Met4A Manufacturer : Paroscientific Serial Number : DQ126337 Data Sampling Interval : 60 sec Accuracy : 0.1 deg C Aspiration : FAN Height Diff to Ant : -1 m Calibration date : Effective Dates : 2013-01-08/CCYY-MM-DD Notes : 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 9.1.1 Radio Interferences : Observed Degradations : Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : 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) 9.2.1 Multipath Sources : Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.1 Signal Obstructions : Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : 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 : Lands Department, HKSAR Preferred Abbreviation : Lands Department, HKSAR Mailing Address : Room 2439, North Point Government Offices, : 333 Java Road, North Point, Hong Kong Primary Contact Contact Name : Senior Land Surveyor/Geodetic Telephone (primary) : +852 22313489 Telephone (secondary) : Fax : +852 21160778 E-mail : slsg@landsd.gov.hk Secondary Contact Contact Name : Principal Survey Officer/Geodetic Telephone (primary) : +852 22313491 Telephone (secondary) : Fax : +852 21160778 E-mail : psolg@landsd.gov.hk Additional Information : 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : Mailing Address : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : CDDIS Secondary Data Center : IGN URL for More Information : Hardcopy on File Site Map : www.geodetic.gov.hk/SatRef Site Diagram : Horizon Mask : Monument Description : Site Pictures : www.geodetic.gov.hk/StationPhoto/HKWS.asp Additional Information : Antenna Graphics with Dimensions LEIAT504 +-------+ <-- 0.1393 / \ | | +-----------------+-------------+-----------------+ <-- 0.1012 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0378 +-------------------+-------------+-------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP NOM=NRP <-- 0.3794 --> LEIAR25.R4 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1606 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP (5/8" thread might differ from BPA!) <-- 0.3802 --> NOM=NRP