COSO Site Information Form Southern California Integrated GPS Network 0. Form Prepared by (full name) : Paul F. Jamason Date Prepared : 22-DEC-1998 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : China Lake Four Character ID : COSO Monument Inscription : None : 3/4" diameter, vertical stainless steel rod : embedded in outcrop of granitic basement. : Antenna height measured from top of 1" : diameter ring welded to 3/4" rod. IERS DOMES Number : 40469M001 CDP Number : (XXXX) Date Installed : (dd-MMM-yyyy hh:mm 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 : (multiple lines) Additional Information : SCIGN - Southern California Integrated GPS : Network 2. Site Location Information City or Town : Coso Junction State or Province : California Country : USA Tectonic Plate : North American plate Approximate Position X coordinate (m) : -2411148.26 Y coordinate (m) : -4571430.47 Z coordinate (m) : 3727461.54 Latitude (deg) : 35.9823428 Longitude (deg) : -117.8088885 Elevation (m) : 1455.37 Additional Information : Reference System ITRF96_98 (WGS-84) : Located at China Lake Naval Weapons Station, : north of Ridgecrest, Inyo County 3. GPS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 (Z12) Model 700570-6 Serial Number : 03233 (Loaner II-93) Firmware Version : NAV 1E00, CHN 1C50 Date Installed : 16-AUG-1995 hh:mm UT Date Removed : 29-JUN-1998 ~20:00 UT Additional Information : First measurements 3.2 Receiver Type : ASHTECH Z-XII3 Serial Number : LP02782 Firmware Version : 1F50 Date Installed : 29-JUN-1998 ~20:00 UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : SCIGN receiver swap, battery bkp. upgrade : (Z12) Model 700845-10(E) 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 Model 700228-B (Rev. B) Serial Number : B1163 Antenna Height (m) : 0.0663 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : Date Installed : 16-AUG-1995 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 4.2 Antenna Type : ASH DM 700936D MILL Serial Number : 12660 Antenna Height (m) : 0.0625 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : Date Installed : 29-APR-1996 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : Direct height measurement from top of SS : collar on threaded rod to pre-amp base. : ASHTECH Choke Ring Model 700936 (Rev. D) 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 : 16-AUG-1995 - 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 : Geothermal Program Office : Naval Air Weapons Station - China Lake Mailing Address : Geothermal Program Office (8236000) : Naval Air Weapons Station : China Lake, CA 93555 Primary Contact Contact Name : Steven Bjornstad Telephone (primary) : (619) 939-4048 Telephone (secondary) : Fax : (619) 939-2449 E-mail : Steven_Bjornstad@imdgw.ChinaLake.Navy.MIL Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 10. Responsible Agency (if different from 9.) Agency : SOPAC, Scripps Institution of Oceanography Mailing Address : IGPP, MS 0225 : UC San Diego : 9500 Gilman Dr. : La Jolla, CA 92093-0225 Primary Contact Contact Name : Paul Jamason Telephone (primary) : 619-534-1750 Telephone (secondary) : 619-534-7692 Fax : 619-534-9873 E-mail : pjamason@lox.ucsd.edu Secondary Contact Contact Name : John Galetzka Telephone (primary) : 626-583-7230 Telephone (secondary) : 626-583-7816 Fax : 626-583-7827 E-mail : galetzka@gps.caltech.edu Additional Information : 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 L ^ +-------------------+ +--+ +-------+-----------+-----------+--------+ +--+ <-- 0.064 TGP=L1=L2 +-+--+ +------------+-------------+-------------+ +--+-+ <-- 0.060 BGP |-------------| |-------------| |-------------| |-------------| +------x------+ <-- 0.000 ARP=BPA <-- 0.080 --> <-- 0.220 --> <-- 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