T430 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 : UPDATE If Update: Previous Site Log : t430_20231116.log Modified/Added Sections : 13 1. Site Identification of the GNSS Monument Site Name : North District Government Offices Four Character ID : T430 Monument Inscription : IERS DOMES Number : 23003M001 CDP Number : NONE Monument Description : SCIGN MOUNT ON STEEL MAST Height of the Monument : 1.568 m Monument Foundation : CONCRETE BLOCK ON ROOFTOP Foundation Depth : Marker Description : SCIGN MOUNT Date Installed : 2008-09-01T00:00Z 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 : The Steel mast has been re-built on 2010-03-16 2. Site Location Information City or Town : Fanling State or Province : Hong Kong Country : China Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : -2411015.2252 Y coordinate (m) : 5380265.7053 Z coordinate (m) : 2425132.681 Latitude (N is +) : +222940.99527 Longitude (E is +) : +1140817.51706 Elevation (m,ellips.) : 41.308 Additional Information : Coordinates refer to ITRF96(1998:121) 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE R7 Satellite System : GPS Serial Number : 0220380232 Firmware Version : 2.26 Elevation Cutoff Setting : 0 deg Date Installed : 2008-09-01T00:00Z Date Removed : 2010-02-26T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4830K57423 Firmware Version : 4.03 Elevation Cutoff Setting : 0 deg Date Installed : 2010-02-27T00:00Z Date Removed : 2010-10-15T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4830K57423 Firmware Version : 4.17 Elevation Cutoff Setting : 0 deg Date Installed : 2010-10-16T00:00Z Date Removed : 2013-04-14T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4830K57423 Firmware Version : 4.41 Elevation Cutoff Setting : 0 deg Date Installed : 2013-04-15T00:00Z Date Removed : 2013-04-17T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54537 Firmware Version : 4.70 Elevation Cutoff Setting : 0 deg Date Installed : 2013-04-18T00:00Z Date Removed : 2013-07-31T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54537 Firmware Version : 4.81 Elevation Cutoff Setting : 0 deg Date Installed : 2013-08-01T00:00Z Date Removed : 2014-11-12T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54537 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-11-13T00:00Z Date Removed : 2015-01-05T10:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5249K54537 Firmware Version : 4.93 Elevation Cutoff Setting : 0 deg Date Installed : 2015-01-05T11:00Z Date Removed : 2015-04-29T13:59Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5249K54537 Firmware Version : 5.01 Elevation Cutoff Setting : 0 deg Date Installed : 2015-04-29T14:00Z Date Removed : 2015-08-03T06:39Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.10 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+BDS Serial Number : 5249K54537 Firmware Version : 5.03 Elevation Cutoff Setting : 0 deg Date Installed : 2015-08-03T06:40Z Date Removed : 2015-10-23T09:49Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.11 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 5249K54537 Firmware Version : 5.03 Elevation Cutoff Setting : 0 deg Date Installed : 2015-10-23T09:50Z Date Removed : 2016-03-17T00:29Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.12 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+BDS Serial Number : 1870253 Firmware Version : 3.22/6.521 Elevation Cutoff Setting : 0 deg Date Installed : 2016-03-17T00:30Z Date Removed : 2016-04-19T00:49Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.13 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870253 Firmware Version : 3.22/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-04-19T00:50Z Date Removed : 2016-07-29T00:53Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.14 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+BDS Serial Number : 1870253 Firmware Version : 3.22/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-07-29T00:54Z Date Removed : 2016-11-09T00:30Z 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. 3.15 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870258 Firmware Version : 4.02.386/7.002 Elevation Cutoff Setting : 0 deg Date Installed : 2016-11-09T01:00Z Date Removed : 2017-09-07T01:22Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.16 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870258 Firmware Version : 4.11.606/7.102 Elevation Cutoff Setting : 0 deg Date Installed : 2017-09-07T01:29Z Date Removed : 2018-05-21T01:30Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.17 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870258 Firmware Version : 4.20.232/7.300 Elevation Cutoff Setting : 0 deg Date Installed : 2018-05-21T01:34Z Date Removed : 2018-08-27T08:32Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.18 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870258 Firmware Version : 4.30.063/7.402 Elevation Cutoff Setting : 0 deg Date Installed : 2018-08-27T08:37Z Date Removed : 2018-11-26T02:06Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.19 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS+SBAS Serial Number : 1870258 Firmware Version : 4.31.101/7.403 Elevation Cutoff Setting : 0 deg Date Installed : 2018-11-26T04:01Z Date Removed : 2021-11-26T02:12Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.20 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1870258 Firmware Version : 4.51.489/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-11-26T02:12Z Date Removed : 2022-06-20T06:13Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.21 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS Serial Number : 1870258 Firmware Version : 4.52.518/7.711 Elevation Cutoff Setting : 0 deg Date Installed : 2022-06-20T06:17Z Date Removed : 2023-05-22T00:11Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.22 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 1870258 Firmware Version : 4.61.290/7.811 Elevation Cutoff Setting : 0 deg Date Installed : 2023-05-22T00:16Z Date Removed : 2023-11-16T07:11Z Temperature Stabiliz. : None Additional Information : (multiple lines) 3.23 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 1870258 Firmware Version : 4.70.040/7.813 Elevation Cutoff Setting : 0 deg Date Installed : 2023-11-16T07:18Z 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 : TRM29659 NONE Serial Number : Unknown Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.3190 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 : 0 m Date Installed : 2008-09-01T00:00Z Date Removed : 2010-02-26T23:59Z Additional Information : 4.2 Antenna Type : TRM59800.00 SCIT Serial Number : 4942353571 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.3190 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIT Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 0 m Date Installed : 2010-02-27T00:00Z Date Removed : 2010-03-15T23:59Z Additional Information : 4.3 Antenna Type : TRM59800.00 SCIT Serial Number : 4942353571 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 1.5680 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIT Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 0 m Date Installed : 2010-03-16T08:45Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : The Steel mast has been re-built on 2010-03-16 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 : 2009-06-22/(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 : DQ118698 Data Sampling Interval : 60 sec Accuracy (% rel h) : 2.00% rel h Aspiration : FAN Height Diff to Ant : 1 m Calibration date : (CCYY-MM-DD) Effective Dates : 2016-05-31/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 : DQ118698 Data Sampling Interval : 60 sec Accuracy : 0.08 hPa Height Diff to Ant : 1 m Calibration date : (CCYY-MM-DD) Effective Dates : 2016-05-31/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 : DQ118698 Data Sampling Interval : 60 sec Accuracy : 0.10 deg C Aspiration : FAN Height Diff to Ant : 1 m Calibration date : (CCYY-MM-DD) Effective Dates : 2016-05-31/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 : Survey and Mapping Office, : 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 : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : (A10) 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 : URL for More Information : Hardcopy on File Site Map : www.geodetic.gov.hk/en/satref/satref.htm Site Diagram : Horizon Mask : Monument Description : Site Pictures : www.geodetic.gov.hk/common/StationPhoto/T430/StnPhoto_en.htm Additional Information : (multiple lines) Antenna Graphics with Dimensions TRM29659.00 TRM59800.00 ----- / \ | | +-------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0381 +-------------------+-------------+-------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.0000 BPA=ARP RXC=NRP <-- 0.3810 -->