SAOB Site Information Form International GPS Service for Geodynamics 0. Form 0.1 Prepared by (full name) : Ray Baxter Date Prepared : 21-Jul-1999 Report Type : UPDATE Prepared Using : GNU Emacs 0.2 Prepared by (full name) : Andre Basset Date Prepared : 21-Nov-2000 Report Type : UPDATE 0.3 Prepared by (full name) : Andre Basset Date Prepared : 24-May-2002 Report Type : UPDATE 1. Site Identification of the GPS Monument Site Name : San Andreas Geophysical Observatory Four Character ID : SAOB Monument Inscription : None IERS DOMES Number : None CDP Number : None Date Installed : 21-Aug-1997 21:05 UT Geologic Characteristic : BEDROCK 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 : Reinforced concrete monument, approximately : 1m high. Monument is fastened to underlying : rock with cemented reinforcing rods. : Threaded 5/8" rod is cemented about 0.8m : deep into concrete. Antenna threads onto rod : in reproducible manner. Mark is top : of washer at center of rod. Additional Information : Bay Area Regional Deformation Array 2. Site Location Information City or Town : Rural, near Hollister State or Province : California Country : USA Tectonic Plate : Pacific-North America plate boundary Approximate Position X coordinate (m) : -2669035.0649 Y coordinate (m) : -4364495.7176 Z coordinate (m) : 3796775.4797 Latitude (deg) : 36.5809 N Longitude (deg) : 121.4471 W Elevation (m) : 359.9089 Additional Information : 3. GPS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Serial Number : LP01384 Firmware Version : 1E95 Date Installed : 21-Aug-1997 21:05 UT Date Removed : 26-Aug-1998 00:00 UT Additional Information : Receiver removal time uncertain 3.2 Receiver Type : ASHTECH Z-XII3 Serial Number : LP01379 Firmware Version : 1E95 Date Installed : 26-Aug-1998 00:00 UT Date Removed : 15-Jul-1999 18:49 UT Additional Information : Receiver installation time uncertain 3.3 Receiver Type : ASHTECH Z-XII3 Serial Number : LP01379 Firmware Version : CC00 Date Installed : 15-Jul-1999 18:49 UT Date Removed : 21-Apr-2002 00:00 UT Additional Information : Receiver Stolen 3.4 Receiver Type : ASHTECH Z-XII3 Serial Number : D02283 Firmware Version : CC00 Date Installed : 17-May-2002 00:00 UT Date Removed : Additional Information : None 4. GPS Antenna Information 4.1 Antenna Type : ASH700936D_M NONE Serial Number : 12657 Antenna Height (m) : 0.0590 Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : None Date Installed : 21-Aug-1997 21:05 UT Date Removed : 15-Jul-1999 18:49 UT Additional Information : None 4.2 Antenna Type : ASH700936D_M SCIT Serial Number : 12657 Antenna Height (m) : 0.1266 Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : SCIGN Tall 00192 Date Installed : 15-Jul-1999 23:29 UT Date Removed : Additional Information : SCIGN Adaptor 0139 : HI from previous refernce mark: : Reference mark to base = 98.6 mm : Base of adapter to SCIGN mark = 19.685 mm : SCIGN mark to BPA = 8.3mm 5. Local Site Ties - None to date 6. Frequency Standard 6.1 Standard Type : INTERNAL Frequency : Effective Dates : 21-Aug-1997 - Present Notes : None 7. Collocation Information - None 8. Meteorological Instrumentation - None 9. On-Site, Point of Contact Agency Information Agency : Berkeley Seismological Laboratory Mailing Address : University of California 475 McCone Hall Berkeley CA 94720-4760 Primary Contact Contact Name : Andre Basset Telephone (primary) : 510.642.3977 Telephone (secondary) : 510.643.3898 Fax : 510.643.5811 E-mail : bard@seismo.berkeley.edu Secondary Contact Contact Name : Doug Neuhauser Telephone (primary) : 510.642.3977 Telephone (secondary) : 510.642.0931 Fax : 510.643.5811 E-mail : bard@seismo.berkley.edu Additional Information : None 10. Responsible Agency (if different from 9.) Agency : Same as above 11. More Information URL for More Information : http://www.quake.geo.berkeley.edu/bard Hardcopy on File Site Map : No Site Diagram : No Horizon Mask : No Monument Description : No Site Pictures : No Additional Information : No Antenna Graphics with Dimensions Ashtech w/Dorne-Margolin Choke Ring ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 BCR +-------------------+-------------+--------------------+ <-- 0.035 BGP | | =| | +------x------+ <-- 0.000 m BPA/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