PKDB Site Information Form International GPS Service for Geodynamics 0. Form 0.1 Prepared by (full name) : Ray Baxter Date Prepared : 29-Jul-1999 Report Type : UPDATE Prepared Using : GNU Emacs 0.2 Prepared by (full name) : Andre Basset Date Prepared : 30-Nov-2000 Report Type : UPDATE 1. Site Identification of the GPS Monument Site Name : Parkfield - BARD Station Four Character ID : PKDB Monument Inscription : None IERS DOMES Number : None CDP Number : None Date Installed : 20-Sep-1996 19:55 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 : None Additional Information : BARD - Bay Area Regional Deformation Array. : Reinforced concrete monument, approximately : 1m high. Monument is fastened to underlying : rock with cemented reinforcing rods. : Threaded 5/8" rod cemented about 0.8m deep : into concrete. Antenna threads onto : rod. Mark is a virtual reference point : in the center of the rod at the top : of washer epoxied nearest parapet. 2. Site Location Information City or Town : North of Parkfield State or Province : California Country : USA Tectonic Plate : Pacific-North America plate boundary Approximate Position X coordinate (m) : -2627226.5548 Y coordinate (m) : -4452757.9484 Z coordinate (m) : 3723620.3200 Latitude (deg) : 35.9452 N Longitude (deg) : 120.5416 W Elevation (m) : 589.9176 m Additional Information : Located on private Bear Valley Ranch : adjacent to seismic vault. 3. GPS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Serial Number : LP01394 Firmware Version : 1E86 Date Installed : 20-Sep-1996 19:55 UT Date Removed : 27-Jul-1999 23:13 UT Additional Information : None 3.2 Receiver Type : ASHTECH Z-XII3 Serial Number : LP01394 Firmware Version : CC00 Date Installed : 28-Jul-1999 00:00 UT Date Removed : Additional Information : None 4. GPS Antenna Information 4.1 Antenna Type : ASH700936D_M NONE Serial Number : 12616 Antenna Height (m) : 0.0582 (m) Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : None Date Installed : 20-Sep-1996 19:55 UT Date Removed : 27-Jul-1999 23:13 UT Additional Information : None 4.2 Antenna Type : ASH700936D_M SCIS Serial Number : 12616 Antenna Height (m) : 0.0582 (m) Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : None Date Installed : 28-Jul-1999 00:00 UT Date Removed : Additional Information : None 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 : Berkeley Seismological Laboratory Mailing Address : University of California 475 McCone Hall Berkeley CA 94720-4760 Primary Contact Contact Name : Ray Baxter 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 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://www.quake.geo.berkeley.edu/bard Hardcopy on File Site Map : No Site Diagram : No Horizon Mask : Yes Monument Description : No Site Pictures : Yes Additional Information : None 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 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