SIO2 Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Paul F. Jamason
     Date Prepared            : 09-MAR-1998
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS Monument

     Site Name                : Scripps 2 PGGA station
     Four Character ID        : SIO2
     Monument Inscription     : None
     IERS DOMES Number        : 40460M003
     CDP Number               : Not assigned
     Date Installed           :
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           :
       Bedrock Condition      :
       Fracture Spacing       :
       Notes                  : Monument attached to concrete wall
     Additional Information   : PGGA - Permanent GPS Geodetic Array
                              : Wyatt/Agnew geodetic monument with
                              : fixed stainless steel brace.
                              : 13-NOV-1997: Verical datum is now the raised
                              : nipple on the lower part of the new SCIGN
                              : antenna adaptor s/n D3-01-005.
                              : Fixed antenna height is 0.0083 m.
                              : A secondary measurement, the adaptor/divot
                              : distance, taken from the bottom of the lower
                              : adaptor plate to the center of a divot
                              : drill-mark on the NE flat of the plug coupling,
                              : is measured as 0.0357 m.


2.   Site Location Information

     City or Town             : La Jolla
     State or Province        : California
     Country                  : USA
     Tectonic Plate           : Pacific-North America plate boundary
     Approximate Position
       X coordinate (m)       : -2455539.2520
       Y coordinate (m)       : -4767224.1290
       Z coordinate (m)       : 3441628.8550
       Latitude (deg)         : 32.8675
       Longitude (deg)        : -117.2524
       Elevation (m)          : 8.1881
     Additional Information   : On SIO library roof
                              : Reference System ITRF96_98 (WGS-84)

3.   GPS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SST
     Serial Number            : unknown
     Firmware Version         :
     Date Installed           : 03-MAR-1990
     Date Removed             : 05-MAR-1990
     Additional Information   :

3.2  Receiver Type            : ASHTECH P12-XII3
     Serial Number            : unknown
     Firmware Version         :
     Date Installed           : 31-MAY-1992
     Date Removed             : 01-JUN-1992
     Additional Information   :

3.3  Receiver Type            : TRIMBLE 4000SST
     Serial Number            : unknown
     Firmware Version         :
     Date Installed           : 01-JUN-1992
     Date Removed             : 06-JUN-1992
     Additional Information   :

3.4  Receiver Type            : ASHTECH P12-XII3
     Serial Number            : 700340A1134 (?)
     Firmware Version         :
     Date Installed           : 06-JUN-1992
     Date Removed             : 22-OCT-1992
     Additional Information   : Serial number inferred from station.info file

3.5  Receiver Type            : ASHTECH P12-XII3
     Serial Number            : 700340A1134
     Firmware Version         :
     Date Installed           : 22-OCT-1992
     Date Removed             : 19-JAN-1993
     Additional Information   : After repair

3.6  Receiver Type            : TRIMBLE 4000SSE
     Serial Number            : 3301A02256
     Firmware Version         :
     Date Installed           : 19-JAN-1993
     Date Removed             : 18-MAR-1993
     Additional Information   :

3.7  Receiver Type            : ASHTECH P12-XII3
     Serial Number            : unknown
     Firmware Version         :
     Date Installed           : 18-MAR-1993
     Date Removed             : 06-APR-1993
     Additional Information   : Loaner unit

3.8  Receiver Type            : TRIMBLE 4000SSE
     Serial Number            : 3301A02256
     Firmware Version         :
     Date Installed           : 06-APR-1993
     Date Removed             : 14-APR-1993
     Additional Information   :

3.9  Receiver Type            : ASHTECH P12-XII3
     Serial Number            :
     Firmware Version         :
     Date Installed           : 14-APR-1993
     Date Removed             : 05-MAY-1993
     Additional Information   : Loaner unit; Poor data quality persists
                              : after repair

3.10 Receiver Type            : TRIMBLE 4000SST
     Serial Number            : 3301A02256
     Firmware Version         :
     Date Installed           : 05-MAY-1993
     Date Removed             : 11-MAY-1993
     Additional Information   :

3.11 Receiver Type            : TRIMBLE 4000SSE
     Serial Number            : 3301A02256
     Firmware Version         :
     Date Installed           : 11-MAY-1993
     Date Removed             : 12-MAY-1993
     Additional Information   : Loaner unit

3.12 Receiver Type            : ASHTECH P12-XII3
     Serial Number            : 700340A1134
     Firmware Version         :
     Date Installed           : 12-MAY-1993
     Date Removed             : 09-JUL-1993
     Additional Information   : Loaner unit, back from repair

3.13 Receiver Type            : ASHTECH P12-XII3
     Serial Number            : 700340A1134
     Firmware Version         :
     Date Installed           : 09-JUL-1993
     Date Removed             : 08-AUG-1993
     Additional Information   : Loaner unit

3.14 Receiver Type            : TRIMBLE 4000SST
     Serial Number            : unknown
     Firmware Version         :
     Date Installed           : 08-AUG-1993
     Date Removed             : 12-AUG-1993
     Additional Information   :

3.15 Receiver Type            : ASHTECH P12-XII3
     Serial Number            : 700340A1134
     Firmware Version         : 7A
     Date Installed           : 12-AUG-1993
     Date Removed             : 23-JUL-1997
     Additional Information   : Loaner unit

3.16 Receiver Type            : ASHTECH Z-12
     Serial Number            : LP02906
     Firmware Version         : 1F50-1D01
     Date Installed           : 23-JUL-1997
     Date Removed             : 31-JUL-1997
     Additional Information   :

3.17 Receiver Type            : ASHTECH Z-12
     Serial Number            : 378
     Firmware Version         : 1E95-1D01
     Date Installed           : 31-JUL-1997
     Date Removed             : 01-AUG-1997
     Additional Information   :

3.18 Receiver Type            : ASHTECH Z-12
     Serial Number            : LP02905
     Firmware Version         : 1F60-1D02
     Date Installed           : 01-AUG-1997
     Date Removed             :
     Additional Information   :

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 4000SST L1/L2 Geodetic
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 03-MAR-1990
     Date Removed             : 05-MAR-1990
     Additional Information   : SIO1-SIO2 tie

4.2  Antenna Type             : Trimble 4000SST L1/L2 Geodetic
     Serial Number            :
     Antenna Height (m)       : 0.645
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 30-MAY-1992
     Date Removed             : 31-MAY-1992
     Additional Information   : SIO1-SIO2 tie

4.3  Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 01-JUN-1992
     Date Removed             : 02-JUN-1992
     Additional Information   : SIO1-SIO2 tie

4.4  Antenna Type             : Trimble 4000SST L1/L2 Geodetic
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 02-JUN-1992
     Date Removed             : 03-JUN-1992
     Additional Information   : SIO1-SIO2 tie

4.5  Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 08-JUN-1992
     Date Removed             : 19-JAN-1993
     Additional Information   : SIO1-SIO2 tie

4.6  Antenna Type             : Trimble TR Geodetic L1/L2 GP
     Serial Number            : 3250A66680
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North : 32
     Antenna Radome Type      :
     Date Installed           : 19-JAN-1993
     Date Removed             : 18-MAR-1993
     Additional Information   :

4.7  Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 18-MAR-1993
     Date Removed             : 06-APR-1993
     Additional Information   :

4.8  Antenna Type             : Trimble TR Geodetic L1/L2 GP
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 06-APR-1993
     Date Removed             : 14-APR-1993
     Additional Information   :

4.9  Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 14-APR-1993
     Date Removed             : 23-APR-1993
     Additional Information   :

4.10 Antenna Type             : Trimble 4000SST L1/L2 Geodetic
     Serial Number            :
     Antenna Height (m)       : 0.660
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 05-MAY-1993
     Date Removed             : 11-MAY-1993
     Additional Information   : SIO2-SIO3 tie

4.11 Antenna Type             : Trimble TR Geodetic L1/L2 GP
     Serial Number            :
     Antenna Height (m)       : 0.660
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 11-MAY-1993
     Date Removed             : 12-MAY-1993
     Additional Information   :

4.12 Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.650
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 12-MAY-1993
     Date Removed             : 06-AUG-1993
     Additional Information   :

4.13 Antenna Type             : Trimble 4000SST L1/L2 Geodetic
     Serial Number            :
     Antenna Height (m)       : 0.660
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 06-AUG-1993
     Date Removed             : 10-AUG-1993
     Additional Information   :

4.14 Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.660
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 10-AUG-1993
     Date Removed             : 20-APR-1994
     Additional Information   :

4.15 Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.690
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 20-APR-1994
     Date Removed             : 25-APR-1994
     Additional Information   :

4.16 Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.683
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 10-MAY-1994
     Date Removed             : 11-MAY-1994
     Additional Information   :

4.17 Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.695
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 11-MAY-1994
     Date Removed             : 02-JUN-1994
     Additional Information   :

4.17 Antenna Type             : ASHTECH Geodetic P
     Serial Number            :
     Antenna Height (m)       : 0.690
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 02-JUN-1994
     Date Removed             : 09-JUL-1994
     Additional Information   :

4.18 Antenna Type             : ASHTECH Geodetic III
     Serial Number            :
     Antenna Height (m)       : 0.683
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 09-JUL-1994
     Date Removed             : 22-JUN-1995
     Additional Information   :

4.19 Antenna Type             : Dorne Margolin B
     Serial Number            :
     Antenna Height (m)       : 0.659
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 22-JUN-1995
     Date Removed             : 28-JUN-1995
     Additional Information   :

4.20 Antenna Type             : ASHTECH Geodetic III
     Serial Number            :
     Antenna Height (m)       : 0.651
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 28-JUN-1995
     Date Removed             : 11-JUL-1995
     Additional Information   :

4.21 Antenna Type             : ASHTECH Geodetic III
     Serial Number            :
     Antenna Height (m)       : 0.655
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 11-JUL-1995
     Date Removed             : 25-JUL-1995
     Additional Information   :

4.22 Antenna Type             : Dorne Margolin B
     Serial Number            :
     Antenna Height (m)       : 0.665
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 25-JUL-1995
     Date Removed             : 24-JUl-1997
     Additional Information   :

4.23 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14663
     Antenna Height (m)       : 0.660
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 24-JUL-1997
     Date Removed             : 25-JUL-1997
     Additional Information   : First in a series of antenna tests (4.23-4.63);
                              : all are cast-type and without radmome unless
                              : otherwise noted

4.24 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14667
     Antenna Height (m)       : 0.660
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 25-JUL-1997
     Date Removed             : 26-JUL-1997
     Additional Information   :

4.25 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14669
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 26-JUL-1997
     Date Removed             : 27-JUL-1997
     Additional Information   :

4.26 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14621
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 27-JUL-1997
     Date Removed             : 28-JUL-1997
     Additional Information   :

4.27 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14652
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 28-JUL-1997
     Date Removed             : 29-JUL-1997
     Additional Information   :

4.28 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14635
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 29-JUL-1997
     Date Removed             : 30-JUL-1997
     Additional Information   :

4.29 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14626
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 30-JUL-1997
     Date Removed             : 31-JUL-1997
     Additional Information   :

4.30 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14664
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 31-JUL-1997
     Date Removed             : 01-AUG-1997
     Additional Information   :

4.31 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14666
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 01-AUG-1997
     Date Removed             : 02-AUG-1997
     Additional Information   :

4.32 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14656
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 02-AUG-1997
     Date Removed             : 05-AUG-1997
     Additional Information   :

4.33 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14668
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 05-AUG-1997
     Date Removed             : 06-AUG-1997
     Additional Information   :

4.34 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14628
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 06-AUG-1997
     Date Removed             : 07-AUG-1997
     Additional Information   :

4.35 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14654
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 07-AUG-1997
     Date Removed             : 08-AUG-1997
     Additional Information   :

4.36 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14631
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 08-AUG-1997
     Date Removed             : 15-AUG-1997
     Additional Information   :

4.37 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14653
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 15-AUG-1997
     Date Removed             : 22-AUG-1997
     Additional Information   :

4.38 Antenna Type             : ASHTECH Choke Ring Milled ('ARI') Type
     Serial Number            : SN CR12738
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 22-AUG-1997
     Date Removed             : 28-AUG-1997
     Additional Information   :

4.39 Antenna Type             : ASHTECH Choke Ring Milled ('ARI') Type
     Serial Number            : SN CR12736
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 28-AUG-1997
     Date Removed             : 03-SEP-1997
     Additional Information   :

4.40 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14629
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 03-SEP-1997
     Date Removed             : 04-SEP-1997
     Additional Information   :

4.41 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14624
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 04-SEP-1997
     Date Removed             : 05-SEP-1997
     Additional Information   :

4.42 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14649
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 05-SEP-1997
     Date Removed             : 06-SEP-1997
     Additional Information   :

4.43 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14633
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 06-SEP-1997
     Date Removed             : 07-SEP-1997
     Additional Information   :

4.44 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14650
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 07-SEP-1997
     Date Removed             : 08-SEP-1997
     Additional Information   :

4.45 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14665
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 08-SEP-1997
     Date Removed             : 09-SEP-1997
     Additional Information   :

4.46 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14670
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 09-SEP-1997
     Date Removed             : 10-SEP-1997
     Additional Information   :

4.47 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14661
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 10-SEP-1997
     Date Removed             : 11-SEP-1997
     Additional Information   :

4.48 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14658
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 11-SEP-1997
     Date Removed             : 13-SEP-1997
     Additional Information   :

4.49 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14648
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 13-SEP-1997
     Date Removed             : 14-SEP-1997
     Additional Information   :

4.50 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14655
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 14-SEP-1997
     Date Removed             : 15-SEP-1997
     Additional Information   :

4.51 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14613
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 15-SEP-1997
     Date Removed             : 16-SEP-1997
     Additional Information   :

4.52 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14655
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 16-SEP-1997
     Date Removed             : 17-SEP-1997
     Additional Information   :

4.53 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14611
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 17-SEP-1997
     Date Removed             : 18-SEP-1997
     Additional Information   :

4.54 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14605
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 18-SEP-1997
     Date Removed             : 19-SEP-1997
     Additional Information   :

4.55 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14612
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 19-SEP-1997
     Date Removed             : 20-SEP-1997
     Additional Information   :

4.56 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14660
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 20-SEP-1997
     Date Removed             : 22-SEP-1997
     Additional Information   :

4.57 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14659
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 22-SEP-1997
     Date Removed             : 23-SEP-1997
     Additional Information   :

4.58 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14603
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 23-SEP-1997
     Date Removed             : 24-SEP-1997
     Additional Information   :

4.59 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14601
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 24-SEP-1997
     Date Removed             : 25-SEP-1997
     Additional Information   :

4.60 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14632
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 25-SEP-1997
     Date Removed             : 26-SEP-1997
     Additional Information   :

4.61 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14622
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 26-SEP-1997
     Date Removed             : 27-SEP-1997
     Additional Information   :

4.62 Antenna Type             : ASHTECH Choke Ring Milled ('ARI') Type; radome
     Serial Number            : SN CR12749
     Antenna Height (m)       : 0.066
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      : UNKN
     Date Installed           : 27-SEP-1997
     Date Removed             : 07-NOV-1997
     Additional Information   :

4.63 Antenna Type             : ASHTECH Choke Ring Milled ('ARI') Type; radome
     Serial Number            : SN CR12749
     Antenna Height (m)       : 0.0083
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      : UNKN
     Date Installed           : 13-NOV-1997
     Date Removed             : 21-NOV-1997
     Additional Information   : Changed antenna adaptor
                              : with new SCIGN adaptor s/n D3-01-005.
                              : Therefore, antenna height is now a fixed
                              : measurement, and represents the distance
                              : from the raised nipple on the lower part of
                              : the antenna adaptor to BPA.

4.64 Antenna Type             : ASHTECH Choke Ring 700936
     Serial Number            : SN CR14632
     Antenna Height (m)       : 0.0083
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 21-NOV-1997
     Date Removed             :
     Additional Information   :

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

5.1  Monument Name            : Scripps 2
     Site Ref CDP Number      : (XXXX)
     Site Ref Domes Number    :
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 :
       dy (m)                 :
       dz (m)                 :
     Accuracy (mm)            :
     Date Measured            :
     Additional Information   :


6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Frequency              :
       Effective Dates        : all dates - 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    : MET 3
       Manufacturer           : Paroscientific
       Data Frequency         : 600 seconds
       Accuracy (% rel h)     : +/- 2% @ 25C
       Effective Dates        : (10-OCT-1997 - present)
       Notes                  : SN 68401

8.2  Pressure Sensor Model    : MET 3
       Manufacturer           : Paroscientific
       Data Frequency         : 600 seconds
       Accuracy (mbar)        : NA
       Height Diff to GPS (m) : ~ -2.0
       Effective Dates        : (10-OCT-1997 - present)
       Notes                  : SN 68401

8.3  Temperature Sensor Model : MET 3
       Manufacturer           : Paroscientific
       Data Frequency         : 600 seconds
       Accuracy (deg C)       : <= 0.5
       Effective Dates        : (10-OCT-1997 - present)
       Notes                  : SN 68401

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    : NOV14, 1997 installed Freewave radio modem
                              : s/n 571-0454


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 / Chris Roelle / Yehuda Bock
       Telephone (primary)    : (619) 534-7692 (geodesy lab)
       Telephone (secondary)  :
       Fax                    : (619) 534-9873
       E-mail                 : pgga@pgga.ucsd.edu
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       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 :
     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                       -->


               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


        ASHTECH: GEODETIC L1/L2 P Large Ground Plane

                           ^
                 +-------------------+
+-+--+-+-------+-----------+-----------+--------+-+--+-+    <--  0.064 TGP=L1=L2
+-+--+-+------------+-------------+-------------+-+--+-+    <--  0.??? BGP
                    |-------------|
                    |-------------|
                    |-------------|
                    |-------------|
                    +------x------+                       <--  0.000 ARP=BPA

                  <--    0.080    -->
<--                      0.3474                      -->


      ROGUE:  DORNE MARGOLIN B (Allen Osborne Design modified for ASHTECH)

                         -----
                     /     +     \                        <-- 0.096  L2
                    |      +      |                       <-- 0.078  L1
  +-----------------+-------------+------------------+    <-- 0.070  TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
  +---------+--------------x--------------+----------+    <-- 0.000  ARP
            |                             |
            |                             |
            |                             |
            |                             |
            |                             |
            +-----------------------------+               <-- -0.099 PED
            <--          0.216          -->
  <--                    0.351                     -->

             ASHTECH Choke Ring (& White Conical Radome)

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

<--                      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
   PED: Bottom of Pedestal (DM Modified for ASHTECH)