WHC100USA Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       https://files.igs.org/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by (full name)  : Ryan Turner
     Date Prepared            : 2024-10-02
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : whc1_20210825.log
      Modified/Added Sections : 1, 2, 3.4, 3.5, 3.9, 3.10, 4.2, 4.3, 11, 13


1.   Site Identification of the GNSS Monument

     Site Name                : Whittier College
     Four Character ID        : WHC1
     Monument Inscription     : 4505-S
     IERS DOMES Number        : 40461M001
     CDP Number               : 
     Monument Description     : pillar
       Height of the Monument : 
       Monument Foundation    : ROOF
       Foundation Depth       : 
     Marker Description       : 
     Date Installed           : 1995-03-14T00:00Z
     Geologic Characteristic  : 
       Bedrock Type           : 
       Bedrock Condition      : 
       Fracture Spacing       : 
       Fault zones nearby     : 
         Distance/activity    : 
     Additional Information   : Roof mount SCIGN - Southern California
                              : Integrated GPS Network


2.   Site Location Information

     City or Town             : Whittier
     State or Province        : California
     Country                  : United States of America (the)
     Tectonic Plate           : PACIFIC
     Approximate Position (ITRF)
       X coordinate (m)       : -2488199.3244
       Y coordinate (m)       : -4673487.1517
       Z coordinate (m)       : 3544649.2637
       Latitude (N is +)      : +335847.59
       Longitude (E is +)     : -1180152.21
       Elevation (m,ellips.)  : 94.2
     Additional Information   : Located on campus of Whittier College Los
                              : Angeles County.


3.   GNSS Receiver Information

3.1  Receiver Type            : ROGUE SNR-8000
     Satellite System         : GPS
     Serial Number            : T-348
     Firmware Version         : 3.2 link 03/09/95
     Elevation Cutoff Setting : 
     Date Installed           : 1995-03-14T00:00Z
     Date Removed             : 1999-01-05T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.2  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP03054
     Firmware Version         : CB00
     Elevation Cutoff Setting : 10 deg
     Date Installed           : 1999-01-05T00:00Z
     Date Removed             : 1999-08-05T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.3  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP03251
     Firmware Version         : CC00
     Elevation Cutoff Setting : 10 deg
     Date Installed           : 1999-08-05T00:00Z
     Date Removed             : 2012-03-12T22:57Z
     Temperature Stabiliz.    : 
     Additional Information   : Y2K CC00 firmware upgrade.

3.4  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-01156
     Firmware Version         : 3.6 Feb,28,2012 p1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2012-03-12T22:57Z
     Date Removed             : 2013-06-06T22:45Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.5  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-01156
     Firmware Version         : 4.0 Dec,21,2012 p1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2013-06-06T22:56Z
     Date Removed             : 2015-12-02T19:43Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.6  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS+GLO
     Serial Number            : 618-01156
     Firmware Version         : 4.5 Dec,29,2014
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2015-12-02T19:50Z
     Date Removed             : 2017-02-09T17:36Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.7  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS+GLO
     Serial Number            : 618-01156
     Firmware Version         : 4.7 Oct,18,2016 p2
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2017-02-09T17:44Z
     Date Removed             : 2018-03-09T23:25Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.8  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-01123
     Firmware Version         : 4.7 Oct,18,2016 p2
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2018-03-09T23:25Z
     Date Removed             : 2019-03-27T21:11Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.9  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS+GLO
     Serial Number            : 618-01123
     Firmware Version         : 4.7 Feb,21,2019 p10
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2019-03-27T21:26Z
     Date Removed             : 2024-09-26T17:35Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.10 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+SBAS
     Serial Number            : 3062245
     Firmware Version         : 5.4.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2024-09-26T17:35Z
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Temperature Stabiliz.    : 
     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             : AOAD/M_T        NONE
     Serial Number            : 433
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0000
     Marker->ARP North Ecc(m) : 0.0000
     Marker->ARP East Ecc(m)  : 0.0000
     Alignment from True N    : 
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 1995-03-14T00:00Z
     Date Removed             : 2012-03-12T22:57Z
     Additional Information   : Narrow Band Filter

4.2  Antenna Type             : TPSCR.G3        SCIS
     Serial Number            : 383-1860
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0000
     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     : 0548
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 2012-03-12T22:57Z
     Date Removed             : 2024-09-26T17:35Z
     Additional Information   : SCIS radome installed.  Antenna cable the same
                              : as before and the details are unknown.

4.3  Antenna Type             : TWIVC6050       SCIS
     Serial Number            : VC6150L1908270005
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0000
     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     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 2024-09-26T17:35Z
     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        : 1995-03-14/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.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.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.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                   : USGS Southern California Geodetic Network
     Preferred Abbreviation   : SCGN
     Mailing Address          : 525 South Wilson Avenue. Pasadena, CA 91106
     Primary Contact
       Contact Name           : USGS SCGN Operators
       Telephone (primary)    : 650-329-4677
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : scgn-operators@usgs.gov
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : 


12.  Responsible Agency (if different from 11.)

     Agency                   : (multiple lines)
     Preferred Abbreviation   : (A10)
     Mailing Address          : (multiple lines)
     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      : CDDIS
     Secondary Data Center    : IGN
     URL for More Information : https://cddis.nasa.gov/
     Hardcopy on File
       Site Map               : 
       Site Diagram           : 
       Horizon Mask           : 
       Monument Description   : 
       Site Pictures          : 
     Additional Information   : 
     Antenna Graphics with Dimensions


                   +---------------+                      <--  0.1508
                   |               |
             |---------------------------|                <--  0.1218  TCR
          |---------------------------------|
       |---------------------------------------|
    +---------------------------------------------+
    |                                             |
    |                                             |
  +-+---------------------------------------------+-+
  +-----------------+-------------+-----------------+     <--  0.0435  BCR
                    |             |
                    |             |
                    +------x------+                       <--  0.0000  BPA=ARP
                    <--  0.1148 -->                                    NOM=NRP
  <--                    0.378                    -->