USC1 Site Information Form (site log)
     International GPS Service
     See Instructions at:
       https://ftp.igs.org/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by (full name)  : Susan Jeffries
     Date Prepared            : 2022-04-05
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : usc1_20150713.log
      Modified/Added Sections : (n.n,n.n,...)


1.   Site Identification of the GNSS Monument

     Site Name                : University of Southern California
     Four Character ID        : USC1
     Monument Inscription     : 
     IERS DOMES Number        : 40487M001
     CDP Number               : 
     Monument Description     : pillar
       Height of the Monument :  (m)
       Monument Foundation    : (STEEL RODS/CONCRETE BLOCK/ROOF/etc)
       Foundation Depth       :  (m)
     Marker Description       : OTHER
     Date Installed           : 1994-11-03
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
       Bedrock Condition      : (FRESH/JOINTED/WEATHERED)
       Fracture Spacing       : (1-10 cm/10-50 cm/50-200 cm/over 200 cm)
       Fault zones nearby     : (YES/NO/Name of the zone)
         Distance/activity    : (multiple lines)
     Additional Information   : *Station has been closed*


2.   Site Location Information

     City or Town             : Los Angeles
     State or Province        : California
     Country                  : USA
     Tectonic Plate           : Pacific
     Approximate Position (ITRF)
       X coordinate (m)       : -2507564.9886
       Y coordinate (m)       : -4659953.1555
       Z coordinate (m)       : 3548661.054
       Latitude (N is +)      : +340126.22
       Longitude (E is +)     : -1181706.42
       Elevation (m,ellips.)  : 21.905
     Additional Information   : Located at University of Southern California Los
                              : Angeles County. Reference frame used is
                              : (ITRF2000). Coordinate system used is (WGS84).


3.  GNSS Receiver Information

3.1  Receiver Type            : ROGUE SNR-8000
     Satellite System         : GPS
     Serial Number            : T325
     Firmware Version         : 3.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1994-11-03T00:00Z
     Date Removed             : 1995-03-06T23:50Z
     Temperature Stabiliz.    :  
     Additional Information   :  

3.2  Receiver Type            : ROGUE SNR-8000
     Satellite System         : GPS
     Serial Number            : T325
     Firmware Version         : 3.2 link 03/02/95
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1995-03-06T23:50Z
     Date Removed             : 1995-03-20T00:00Z
     Temperature Stabiliz.    :  
     Additional Information   :  

3.3  Receiver Type            : ROGUE SNR-8000
     Satellite System         : GPS
     Serial Number            : T325
     Firmware Version         : 3.2 link 03/09/95
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1995-03-20T00:00Z
     Date Removed             : 1999-01-06T00:00Z
     Temperature Stabiliz.    :  
     Additional Information   :  

3.4  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP02809
     Firmware Version         : CB00
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1999-01-06T00:00Z
     Date Removed             : 1999-07-12T00:00Z
     Temperature Stabiliz.    :  
     Additional Information   :  

3.5  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP02809
     Firmware Version         : CC00
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 1999-07-12T00:00Z
     Date Removed             : 1999-09-29T00:00Z
     Temperature Stabiliz.    :  
     Additional Information   : GPS week rollover-compliant

3.6  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP02657
     Firmware Version         : CC00
     Elevation Cutoff Setting : 10 deg
     Date Installed           : 1999-09-29T00:00Z
     Date Removed             : 2007-10-12T20:44Z
     Temperature Stabiliz.    :  
     Additional Information   : Previous receiver failed.

3.7  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP03047
     Firmware Version         : CD00
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2007-10-12T20:44Z
     Date Removed             : 2011-10-27T20:42Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.8  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-01055
     Firmware Version         : 3.5 Aug,24,2011 p3b2
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2011-10-27T20:50Z
     Date Removed             : 2012-05-10T23:24Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.9  Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-01055
     Firmware Version         : 3.6 Feb,28,2012 p1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2012-05-10T23:26Z
     Date Removed             : 2013-06-04T17:55Z
     Temperature Stabiliz.    : none
     Additional Information   : (multiple lines)

3.10 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-01055
     Firmware Version         : 4.0 Dec,21,2012 p1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2013-06-04T19:42Z
     Date Removed             : 2015-07-06T23:59Z
     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             : AOAD/M_T        JPLA
     Serial Number            : 425
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0614
     Marker->ARP North Ecc(m) : 0
     Marker->ARP East Ecc(m)  : 0
     Alignment from True N    :  deg
     Antenna Radome Type      : JPLA
     Radome Serial Number     : 
     Antenna Cable Type       : (vendor & type number)
     Antenna Cable Length     : (m)
     Date Installed           : 1994-11-03T00:00Z
     Date Removed             : 2011-10-27T20:55Z
     Additional Information   : Wideband

4.2  Antenna Type             : TPSCR.G3        JPLA
     Serial Number            : 383-1477
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0614
     Marker->ARP North Ecc(m) : 0
     Marker->ARP East Ecc(m)  : 0
     Alignment from True N    : (deg; + is clockwise/east)
     Antenna Radome Type      : JPLA
     Radome Serial Number     : N/A
     Antenna Cable Type       : (vendor & type number)
     Antenna Cable Length     : (m)
     Date Installed           : 2011-10-27T21:02Z
     Date Removed             : 2015-07-06T23:59Z
     Additional Information   : (multiple lines)

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        : 1994-09-07/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     : NONE
       Status                 : (PERMANENT/MOBILE)
       Effective Dates        : (CCYY-MM-DDThh:mmZ)
       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.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
     Preferred Abbreviation   : USGS
     Mailing Address          : USGS Pasadena Field Office
                              : 525 South Wilson Avenue
                              : 
                              : Pasadena CA USA 91107
     Primary Contact
       Contact Name           : SCGN  Operators
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : scgn-operators@usgs.gov
     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      : UNAVCO Boulder Facility Archive
     Secondary Data Center    : 
     URL for More Information : https://www.unavco.org
     Hardcopy on File
       Site Map               : (Y or URL)
       Site Diagram           : (Y or URL)
       Horizon Mask           : (Y or URL)
       Monument Description   : (Y or URL)
       Site Pictures          : (Y or URL)
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions

TPSCR.G3

                       +-------+
                     /           \
                    |             |
  +-----------------+-------------+-----------------+     <--  0.1015  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+
+-------------------+-------------+-------------------+   <--  0.0345  BCR
                    |             |
                    |             |
                    +------x------+                       <--  0.0000  BPA=ARP

                    <--  0.2380 -->
<--                      0.3800                     -->