CRFP Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Jeff Behr
     Date Prepared            : 13-MAY-1997
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Yucaipa PGGA Station
     Four Character ID        : CRFP
     Monument Inscription     : None
     IERS DOMES Number        : 40481M001
     CDP Number               : Not assigned
     Date Installed           : 9-AUG-1995 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             : Yucaipa, San Bernardino County
     State or Province        : California
     Country                  : USA
     Tectonic Plate           : Pacific-North American plate boundary
     Approximate Position
       X coordinate (m)       : -2410446.466
       Y coordinate (m)       : -4710490.637
       Z coordinate (m)       :  3550422.366
       Latitude (deg)         : ( dd.dddd N/S)
       Longitude (deg)        : (ddd.dddd E/W)
       Elevation (m)          : (m)
     Additional Information   : ITRF92 coordinates. Epoch 1994.6
                              : Located at Crafton Hills Community College,
                              : Yucaipa


3.   GPS Receiver Information

3.1  Receiver Type            : ASHTECH Z-XII3 (Z12) Model 700724-6B
     Serial Number            : 02085
     Firmware Version         : NAV 1C01, CHN 1C00
     Date Installed           : 15-JUN-1994 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : First measurements

3.2  Receiver Type            : ASHTECH Z-XII3 (Z12) Model 700724-6B
     Serial Number            : 02085
     Firmware Version         : NAV 1D00, CHN 1C01
     Date Installed           : 11-JUL-1994 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Firmware upgrade

3.3  Receiver Type            : ASHTECH Z-XII3 (Z12) Model 700724-6B
     Serial Number            : 02085
     Firmware Version         : NAV 1E00, CHN 1C50
     Date Installed           : 02-AUG-1995 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Firmware upgrade

3.4  Receiver Type            : ASHTECH Z-XII3 (Z12) Model 700724-6B
     Serial Number            : 02085
     Firmware Version         : NAV 1E81, CHN 1D01
     Date Installed           : 22-FEB-1996 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Firmware upgrade

3.5  Receiver Type            : ASHTECH Z-XII3 (Z12) Model 700724-6B
     Serial Number            : 02085
     Firmware Version         : NAV 1E95, CHN 1D01
     Date Installed           : 19-DEC-1996 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : Firmware upgrade

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             : ASHTECH L1/L2 P (Rev C)
     Serial Number            : 70022C1257
     Antenna Height (m)       : 0.0355
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 15-JUN-1994 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.2  Antenna Type             : ASHTECH L1/L2
     Serial Number            : 700228-A0592
     Antenna Height (m)       : 0.0355
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 02-FEB-1995 hh:mm UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)

4.2  Antenna Type             : ASHTECH 700936-B (Ashtech w/Choke Ring)
     Serial Number            : 11627
     Antenna Height (m)       : 0.0355
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 02-AUG-1995 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            : INTERNAL
       Frequency              :
       Effective Dates        : 15-JUN-1994 - 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          : IGPP 0225, Scripps Institution of Oceanography
                              : 9500 Gilman Drive, La Jolla, CA 92093-0225
     Primary Contact
       Contact Name           : Jeff Dean
       Telephone (primary)    : 619-534-7692 (geodesy lab)
       Telephone (secondary)  :
       Fax                    : 619-534-9873
       E-mail                 : jdean@pgga.ucsd.edu
     Secondary Contact
       Contact Name           : Chris Roelle
       Telephone (primary)    : 619-534-7692 (geodesy lab)
       Telephone (secondary)  :
       Fax                    : 619-534-9873
       E-mail                 :
     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 : http://lox.ucsd.edu
     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


                 ASHTECH: GEODETIC L1/L2 P

                           ^
                 +-------------------+
  +--+ +-------+-----------+-----------+--------+ +--+  <-- 0.064
                                                              TGP=L1=L2
+-+--+ +------------+-------------+-------------+ +--+-+ <--  0.060  BGP
                    |-------------|
                    |-------------|
                    |-------------|
                    |-------------|
                    +------x------+                  <--  0.000  ARP=BPA

                  <--    0.080    -->
      <--                0.2636                -->
<--                      0.286                       -->


        ASHTECH w/DORNE MARGOLIN Choke Ring (& Radome)

                         -----
                     /     +     \                        <-- 0.128  L2
                    |      +      |                       <-- 0.110  L1
  +--------------------------------------------------+    <-- 0.102  TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <-- 0.038  BCR
+-------------------+-------------+--------------------+  <-- 0.035  BGP
                    |             |
                   =|             |
                    +------x------+                       <-- 0.000  m ARP

<--                      0.381                       -->

       NOTE: Dimensions and Offsets Presumed to be same
             as for TURBOROGUE DM-T (tests pending)


   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