HKOH 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       : hkoh_20231114.log
      Modified/Added Sections : 13

1.   Site Identification of the GNSS Monument

     Site Name                : Obelisk Hill
     Four Character ID        : HKOH
     Monument Inscription     : 
     IERS DOMES Number        : 23011M001
     CDP Number               : NONE 
     Monument Description     : SCIGN MOUNT ON PILLAR
       Height of the Monument : 5 m
       Monument Foundation    : CONCRETE BLOCK
       Foundation Depth       : (m)
     Marker Description       : SCIGN MOUNT
     Date Installed           : 2004-07-06T11:08Z
     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             : Obelisk Hill
     State or Province        : Hong Kong
     Country                  : China
     Tectonic Plate           : EURASIAN
     Approximate Position (ITRF)
       X coordinate (m)       : -2423816.908
       Y coordinate (m)       : 5386057.106
       Z coordinate (m)       : 2399883.379
       Latitude (N is +)      : +221451.67380
       Longitude (E is +)     : +1141342.78789
       Elevation (m,ellips.)  : 166.4
     Additional Information   : Coordinates refer to ITRF96(1998:121)


3.   GNSS Receiver Information

3.1  Receiver Type            : LEICA SR530
     Satellite System         : GPS
     Serial Number            : 137259
     Firmware Version         : 4.22/1.39
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2004-07-06T11:08Z
     Date Removed             : 2005-03-08T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.2  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 2.00/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2005-03-09T00:00Z
     Date Removed             : 2005-05-25T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.3  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450234
     Firmware Version         : 2.00/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2005-05-26T00:00Z
     Date Removed             : 2006-07-17T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.4  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 2.00/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2006-07-18T00:00Z
     Date Removed             : 2006-08-20T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.5  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450235
     Firmware Version         : 2.14/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2006-08-21T00:00Z
     Date Removed             : 2006-08-31T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.6  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 2.00/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2006-09-01T00:00Z
     Date Removed             : 2006-10-12T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.7  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 4.10/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2006-10-13T00:00Z
     Date Removed             : 2007-02-05T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

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           : 2007-02-06T00:00Z
     Date Removed             : 2007-02-09T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.9  Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 4.10/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-02-10T00:00Z
     Date Removed             : 2007-05-10T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

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           : 2007-05-11T00:00Z
     Date Removed             : 2007-05-23T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.11 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 4.10/2.121
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-05-24T00:00Z
     Date Removed             : 2008-01-25T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.12 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450235
     Firmware Version         : 4.10/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-01-26T00:00Z
     Date Removed             : 2008-02-14T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.13 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 4.10/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-02-15T00:00Z
     Date Removed             : 2008-04-23T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.14 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 5.62/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-04-24T00:00Z
     Date Removed             : 2008-05-07T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.15 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450235
     Firmware Version         : 5.62/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-05-08T00:00Z
     Date Removed             : 2008-05-30T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.16 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 5.62/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-05-31T00:00Z
     Date Removed             : 2008-08-12T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.17 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 6.00/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2008-08-13T00:00Z
     Date Removed             : 2009-02-01T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.18 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450234
     Firmware Version         : 6.00/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2009-02-02T00:00Z
     Date Removed             : 2009-02-04T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.19 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 6.00/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2009-02-05T00:00Z
     Date Removed             : 2009-05-06T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.20 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450234
     Firmware Version         : 6.02/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2009-05-07T00:00Z
     Date Removed             : 2009-05-19T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.21 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 6.00/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2009-05-20T00:00Z
     Date Removed             : 2009-12-11T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.22 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 7.53/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2009-12-12T00:00Z
     Date Removed             : 2010-04-21T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.23 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 7.80/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-04-22T00:00Z
     Date Removed             : 2010-06-24T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.24 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 8.00/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-06-25T00:00Z
     Date Removed             : 2010-08-04T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.25 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455499
     Firmware Version         : 6.02/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-08-05T00:00Z
     Date Removed             : 2010-08-09T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.26 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 455685
     Firmware Version         : 8.00/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-08-10T00:00Z
     Date Removed             : 2010-08-19T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.27 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450234
     Firmware Version         : 8.00/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-08-20T00:00Z
     Date Removed             : 2010-10-13T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.28 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450234
     Firmware Version         : 8.01/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2010-10-14T00:00Z
     Date Removed             : 2011-04-13T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.29 Receiver Type            : LEICA GRX1200PRO
     Satellite System         : GPS
     Serial Number            : 450234
     Firmware Version         : 8.10/2.125
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-04-14T00:00Z
     Date Removed             : 2011-09-05T23:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.30 Receiver Type            : LEICA SR530
     Satellite System         : GPS
     Serial Number            : 39499
     Firmware Version         : 5.10/1.39
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-09-06T00:00Z
     Date Removed             : 2011-11-16T06:49Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.31 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 455499
     Firmware Version         : 8.20/4.007
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2011-11-16T06:50Z
     Date Removed             : 2012-07-23T01:39Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.32 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 455499
     Firmware Version         : 8.51/6.110
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2012-07-23T01:40Z
     Date Removed             : 2012-11-13T05:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.33 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 450235
     Firmware Version         : 8.51/6.110
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2012-11-13T06:00Z
     Date Removed             : 2012-12-10T05:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.34 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 455499
     Firmware Version         : 8.51/6.110
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2012-12-10T06:00Z
     Date Removed             : 2014-11-24T10:59Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.35 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO
     Serial Number            : 455499
     Firmware Version         : 9.20/6.404
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-11-24T11:00Z
     Date Removed             : 2014-12-08T02:09Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.36 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO+BDS
     Serial Number            : 455499
     Firmware Version         : 9.20/6.404
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2014-12-08T02:10Z
     Date Removed             : 2015-10-26T01:09Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.37 Receiver Type            : LEICA GRX1200+GNSS
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 455499
     Firmware Version         : 9.20/6.404
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-10-26T01:10Z
     Date Removed             : 2016-03-02T06:20Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.38 Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870254
     Firmware Version         : 3.22/6.521
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-03-02T06:40Z
     Date Removed             : 2016-03-13T05:49Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.39 Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+BDS
     Serial Number            : 1870254
     Firmware Version         : 3.22/6.521
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-03-13T05:50Z
     Date Removed             : 2016-04-25T01:36Z
     Temperature Stabiliz.    : none
     Additional Information   : Disable tracking GAL, QZSS, SBAS signal due to
                              : the firmware problem.

3.40 Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870254
     Firmware Version         : 3.22/6.522
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-04-25T01:37Z
     Date Removed             : 2016-07-29T00:42Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.41 Receiver Type            : LEICA GR25
     Satellite System         : GPS+GLO+BDS
     Serial Number            : 1870254
     Firmware Version         : 3.22/6.522
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-07-29T00:43Z
     Date Removed             : 2016-10-20T01:40Z
     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.

3.42 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870230
     Firmware Version         : 4.01.336/7.001
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-10-20T01:50Z
     Date Removed             : 2016-12-05T01:33Z
     Temperature Stabiliz.    : none
     Additional Information   : 

3.43 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870230
     Firmware Version         : 4.02.386/7.002
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-12-05T01:40Z
     Date Removed             : 2017-08-10T03:20Z
     Temperature Stabiliz.    : none
     Additional Information   : 

3.44 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870230
     Firmware Version         : 4.11.606/7.102
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-08-10T03:25Z
     Date Removed             : 2018-06-04T03:04Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.45 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870230
     Firmware Version         : 4.20.232/7.300
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-06-04T03:09Z
     Date Removed             : 2018-08-27T02:25Z)
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.46 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870230
     Firmware Version         : 4.30.063/7.402
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-08-27T02:30Z
     Date Removed             : 2018-11-02T04:30Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)
	 
3.47 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870230
     Firmware Version         : 4.31.101/7.403
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-11-02T04:37Z
     Date Removed             : 2019-11-05T07:57Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)
	 
3.48 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS+SBAS
     Serial Number            : 1870251
     Firmware Version         : 4.31.101/7.403
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-11-05T08:01Z
     Date Removed             : 2021-11-26T02:50Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines) 

3.49 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1870251
     Firmware Version         : 4.51.489/7.710
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-11-26T02:50Z
     Date Removed             : 2022-06-22T02:52Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines) 

3.50 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS
     Serial Number            : 1870251
     Firmware Version         : 4.52.518/7.711
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-06-22T02:57Z
     Date Removed             : 2023-06-05T02:15Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines) 

3.51 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 1870251
     Firmware Version         : 4.61.290/7.811
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-06-05T02:15Z
     Date Removed             : 2023-11-14T07:13Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines) 

3.52 Receiver Type            : LEICA GR50
     Satellite System         : GPS+GLO+GAL+BDS+QZSS
     Serial Number            : 1870251
     Firmware Version         : 4.70.040/7.813
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2023-11-14T07:19Z
     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             : LEIAT504        NONE
     Serial Number            : Unknown 
     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     : 0 m
     Date Installed           : 2004-07-06T11:08Z
     Date Removed             : 2004-12-22T00:00Z
     Additional Information   : No record of serial number

4.2  Antenna Type             : LEIAT504        LEIS
     Serial Number            : Unknown 
     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     : 0 m
     Date Installed           : 2004-12-22T00:00Z
     Date Removed             : 2011-11-16T00:00Z
     Additional Information   : No record of serial number

4.3  Antenna Type             : LEIAR25.R4      LEIT
     Serial Number            : 725203
     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     : 0 m
     Date Installed           : 2011-11-16T00:00Z
     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        : 2004-08-01/(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          : DQ122052
       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        : 2012-12-19/2020-04-01
       Notes                  : (multiple lines)

8.1.2 Humidity Sensor Model   : WXT534
       Manufacturer           : Vaisala
       Serial Number          : S0830563
       Data Sampling Interval : 60 sec
       Accuracy (% rel h)     : 5.00% rel h
       Aspiration             : FAN
       Height Diff to Ant     : -3 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2020-04-01/(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          : DQ122052
       Data Sampling Interval : 60 sec
       Accuracy               : 0.08 hPa
       Height Diff to Ant     : 1 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2012-12-19/2020-04-01
       Notes                  : (multiple lines)

8.2.2 Pressure Sensor Model   : WXT534
       Manufacturer           : Vaisala
       Serial Number          : S0830563
       Data Sampling Interval : 60 sec
       Accuracy               : 0.5 hPa
       Height Diff to Ant     : -3 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2020-04-01/(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          : DQ122052
       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        : 2012-12-19/2020-04-01
       Notes                  : (multiple lines)

8.3.2 Temp. Sensor Model      : WXT534
       Manufacturer           : Vaisala
       Serial Number          : S0830563
       Data Sampling Interval : 60 sec
       Accuracy               : 0.3 deg C
       Aspiration             : FAN
       Height Diff to Ant     : -3 m
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : 2020-04-01/(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   : 
     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/en/satref/satref.htm
       Site Diagram           : 
       Horizon Mask           : (Y or URL)
       Monument Description   : 
       Site Pictures          : www.geodetic.gov.hk/common/StationPhoto/HKOH/StnPhoto_en.htm
     Additional Information   : (multiple lines)
     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