ROCH Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Chris Roelle
     Date Prepared            : 09-DEC-1997
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Pinemeadow PGGA
     Four Character ID        : ROCH
     Monument Inscription     : None
     IERS DOMES Number        : 40486M001
     CDP Number               : (XXXX)
     Date Installed           : 19-APR-1991 hh:mm UT
     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)
       Notes                  : (multiple lines)
     Additional Information   : PGGA - Permanent GPS Geodetic Array


2.   Site Location Information

     City or Town             : Pinemeadow
     State or Province        : California
     Country                  : USA
     Tectonic Plate           : Pacific-North America plate boundary
     Approximate Position
       X coordinate (m)       : -2382183.199
       Y coordinate (m)       : -4755085.173
       Z coordinate (m)       : 3511367.704
       Latitude (deg)         :   33.6110
       Longitude (deg)        : -116.6098
       Elevation (m)          : 1394.7606
     Additional Information   : Epoch 1993.000


3.   GPS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000 SST
     Serial Number            : 0496
     Firmware Version         : 4.11
     Date Installed           : 19-APR-1991 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : First Measurements

3.2  Receiver Type            : ASHTECH Z-XII (HP, 700724-6B)
     Serial Number            : 01426
     Firmware Version         : 1E95-1D01
     Date Installed           : 13-FEB-1997
     Date Removed             : 08-DEC-1997
     Additional Information   : System Swap

3.3  Receiver Type            : ASHTECH Z-XII (700845-F)
     Serial Number            : 02626
     Firmware Version         : 1F50-1D02
     Date Installed           : 08-DEC-1997
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : System Swap for SCIGN expansion

3.x  Receiver Type            :
     Serial Number            :
     Firmware Version         :
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


4.   GPS Antenna Information

4.1  Antenna Type             : TRIMBLE 4000ST L1/L2 GEOD
     Serial Number            : 0038
     Antenna Height (m)       : 0.2465
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 19-APR-1991 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.2  Antenna Type             : TRIMBLE 4000ST L1/L2 GEOD
     Serial Number            : 0038
     Antenna Height (m)       : 0.2475
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 15-MAY-1991 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.3  Antenna Type             : TRIMBLE 4000ST L1/L2 GEOD
     Serial Number            : 0038
     Antenna Height (m)       : 0.2440
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 03-JUL-1992 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.4  Antenna Type             : ASHTECH Choke Ring (700936)
     Serial Number            : 12655
     Antenna Height (m)       : 0.0480
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 13-FEB-1997 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.x  Antenna Type             :
     Serial Number            :
     Antenna Height (m)       : (m)
     Antenna Reference Point  : (ARP/BCR/BPA)
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : (dd-MMM-yyyy hh:mm UT)
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


5.   Local Site Ties

5.x  Monument Name            :
     Site Ref CDP Number      : (XXXX)
     Site Ref Domes Number    : (XXXXXXXXX)
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : (m)
       dy (m)                 : (m)
       dz (m)                 : (m)
     Accuracy (mm)            : (mm)
     Date Measured            : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

6.x  Standard Type            : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)


7.   Collocation Information

7.x  Instrumentation Type     : (DORIS/GLONASS/PRARE/SLR/VLBI)
       Status                 : (PERMANENT/MOBILE)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)


8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (% rel h)     : (% rel h)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.2  Pressure Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (mbar)        : (mbar)
       Height Diff to GPS (m) : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.3  Temperature Sensor Model :
       Manufacturer           :
       Data Frequency         :
       Accuracy (deg C)       : (deg C)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.4  Water Vapor Radiometer   :
       Manufacturer           :
       Distance to GPS (m)    : (m)
       Elev Diff to GPS (m)   : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.5  Other Instrumentation    : (multiple lines)


9.   On-Site, Point of Contact Agency Information

     Agency                   : Scripps Institution of Oceanography
     Mailing Address          : Scripps Institution of Oceanography
                              : IGPP 0225
                              : 9500 Gilman Dr.
                              : La Jolla, CA 92093-0225
     Primary Contact
       Contact Name           : Jeff Dean
       Telephone (primary)    : 619-534-7692
       Telephone (secondary)  : 619-534-8487
       Fax                    : 619-534-9873
       E-mail                 : jdean@ucsd.edu
     Secondary Contact
       Contact Name           : Frank Wyatt
       Telephone (primary)    : 619-534-2411
       Telephone (secondary)  :
       Fax                    :
       E-mail                 : wyatt@ramsden.ucsd.edu
     Additional Information   : (multiple lines)


10.  Responsible Agency (if different from 9.)

     Agency                   : (multiple lines)
     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)


11.  More Information

     URL for More Information :
     Hardcopy on File
       Site Map               : (Y)
       Site Diagram           : (Y)
       Horizon Mask           : (Y)
       Monument Description   : (Y)
       Site Pictures          : (Y)
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions


           TRIMBLE: 4000ST L1/L2 GEOD

                       ----+----                          <-- 0.070  L1
                    /      +      \                       <-- 0.068  L2
++----------------+-----------------+-----------------++  <-- 0.063  TGP
++---------------+-------------------+----------------++  <-- 0.060  BGP
                 |                   |
                  |                 |
                   |               |
                    +------x------+                   <-- 0.000  ARP=BPA

                    <--  0.140  -->                           BPA
                 <--     0.155     -->                        TPA
 <--                     0.467                      -->        NOTCHES
<--                      0.483                       -->        EDGE


  d)                    ASHTECH Choke Ring

                         -----
                     /     +     \                        <-- 0.121  L2
                    |             |
  +--------------------------------------------------+    <-- 0.101  TCR
  |                        +                         |          <-- 0.095  L1
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.038  TGP
+-------------------+-------------+--------------------+  <-- 0.035  BGP
                    |             |
                   =|             |
                    +------x------+                       <-- 0.000  ARP
<--                    0.37935 m                     -->

       NOTE: L1/L2 phase center dimensions taken from
       Ashtech manual for the CGRS, released May 1997.
       Other dimensions and offsets measured by Marin
       Clark, SCIGN-USGS Operations Center.


   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   TGP: Top of Ground Plane               BGP: Bottom of Ground Plane
   TPA: Top of Preamplifier               BPA: Bottom of Preamplifier