HKKS 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 : 2024-01-08 Report Type : UPDATED If Update: Previous Site Log : hkks_20231114.log Modified/Added Sections : 13 1. Site Identification of the GNSS Monument Site Name : Kau Sai Chau Four Character ID : HKKS Monument Inscription : IERS DOMES Number : 23005M001 CDP Number : NONE Monument Description : SCIGN MOUNT Height of the Monument : (m) Monument Foundation : CONCRETE BLOCK ON BUILDING ROOF Foundation Depth : (m) Marker Description : SCIGN MOUNT Date Installed : 2014-04-16T00:00Z Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : (multiple lines) 2. Site Location Information City or Town : Kau Sai Chau State or Province : Hong Kong Country : China Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : -2429525.892 Y coordinate (m) : 5377816.639 Z coordinate (m) : 2412152.730 Latitude (N is +) : +222204.43703 Longitude (E is +) : +1141842.96093 Elevation (m,ellips.) : 44.717 Additional Information : Coordinates refer to ITRF96(1998:121) 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 4.81 Elevation Cutoff Setting : 0 deg Date Installed : 2014-04-16T00:00Z Date Removed : 2014-11-12T09:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-11-12T10:00Z Date Removed : 2015-01-05T08:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 4.93 Elevation Cutoff Setting : 0 deg Date Installed : 2015-01-05T09:00Z Date Removed : 2015-05-29T00:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 5.01 Elevation Cutoff Setting : 0 deg Date Installed : 2015-05-29T01:00Z Date Removed : 2015-08-03T06:05Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 5.03 Elevation Cutoff Setting : 0 deg Date Installed : 2015-08-03T06:06Z Date Removed : 2015-10-30T08:50Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5338K45583 Firmware Version : 5.10 Elevation Cutoff Setting : 0 deg Date Installed : 2015-10-30T08:50Z Date Removed : 2016-06-08T07:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 5.10 Elevation Cutoff Setting : 0 deg Date Installed : 2016-06-08T08:00Z Date Removed : 2016-07-06T09:29Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 5.14 Elevation Cutoff Setting : 0 deg Date Installed : 2016-07-06T09:30Z Date Removed : 2016-12-19T00:57Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5338K45583 Firmware Version : 5.15 Elevation Cutoff Setting : 0 deg Date Installed : 2016-12-19T01:01Z Date Removed : 2017-04-20T08:08Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.10 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5338K45583 Firmware Version : 5.22 Elevation Cutoff Setting : 0 deg Date Installed : 2017-04-20T08:16Z Date Removed : 2017-08-29T01:19Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.11 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5338K45583 Firmware Version : 5.30 Elevation Cutoff Setting : 0 deg Date Installed : 2017-08-29T01:33Z Date Removed : 2018-05-15T06:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.12 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5338K45583 Firmware Version : 5.33 Elevation Cutoff Setting : 0 deg Date Installed : 2018-05-15T06:05Z Date Removed : 2018-05-30T02:30Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.13 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870231 Firmware Version : 4.20.232/7.300 Elevation Cutoff Setting : 0 deg Date Installed : 2018-05-30T02:50Z Date Removed : 2019-02-20T02:25Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.14 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870231 Firmware Version : 4.31.101/7.403 Elevation Cutoff Setting : 0 deg Date Installed : 2019-02-20T02:27Z Date Removed : 2021-11-26T04:08Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.15 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1870231 Firmware Version : 4.51.489/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-11-26T04:08Z Date Removed : 2022-06-20T06:33Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.16 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1870231 Firmware Version : 4.52.518/7.711 Elevation Cutoff Setting : 0 deg Date Installed : 2022-06-20T06:37Z Date Removed : 2023-05-17T01:21Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.17 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 1870231 Firmware Version : 4.61.290/7.811 Elevation Cutoff Setting : 0 deg Date Installed : 2023-05-17T01:25Z Date Removed : 2023-11-14T07:32Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.18 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 1870231 Firmware Version : 4.70.040/7.813 Elevation Cutoff Setting : 0 deg Date Installed : 2023-11-14T07:41Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : (multiple lines) 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 : TRM59800.00 SCIS Serial Number : 5343354868 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 : SCIS Radome Serial Number : 1599 Antenna Cable Type : CBL ASSY TNC-N (100ft LMR 400) Antenna Cable Length : 30 m Date Installed : 2014-04-16T00:00Z 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 : 2014-04-16/(CCYY-MM-DD) Notes : (multiple lines) 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 : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 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 : PAROSCIENTIFIC MET4A Manufacturer : Paroscientific Serial Number : DQ129361 Data Sampling Interval : 60 sec Accuracy (% rel h) : 2.00% rel h Aspiration : FAN Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 2014-04-16/(CCYY-MM-DD) Notes : (multiple lines) 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 : PAROSCIENTIFIC MET4A Manufacturer : Paroscientific Serial Number : DQ129361 Data Sampling Interval : 60 sec Accuracy : 0.08 hPa Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 2014-04-16/(CCYY-MM-DD) Notes : (multiple lines) 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 : PAROSCIENTIFIC MET4A Manufacturer : Paroscientific Serial Number : DQ129361 Data Sampling Interval : 60 sec Accuracy : 0.1 deg C Aspiration : FAN Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 2014-04-16/(CCYY-MM-DD) Notes : (multiple lines) 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) 8.4.1 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) 8.4.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) 8.5.1 Other Instrumentation : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 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) 9.1.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 : (METAL ROOF/DOME/VLBI ANTENNA/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) 9.3.1 Signal Obstructions : (TREES/BUILDINGS/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 10.1 Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 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 : SMO Mailing Address : 22/F, Tsuen Wan Government Offices, Mailing Address : 38 Sai Lau Kok Road, Tsuen Wan, Hong Kong Primary Contact Contact Name : Senior Land Surveyor/Geodetic Telephone (primary) : +852 31682633 Telephone (secondary) : Fax : +852 31682668 E-mail : slsg@landsd.gov.hk Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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 : (multiple lines) 13. More Information Primary Data Center : Geoscience Australia Secondary Data Center : N/A 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/common/StationPhoto/HKKS/StnPhoto_en.htm Additional Information : Antenna Graphics with Dimensions TRM59800.00 ----- / \ | | +-------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0381 +-------------------+-------------+-------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.0000 BPA=ARP RXC=NRP <-- 0.3810 -->