SNI1 Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Mark Smith / Aris Aspiotes / John Galetzka Date Prepared : 28-AUG-1998 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : San Nicolas Island Four Character ID : SNI1 Monument Inscription : 4507-S IERS DOMES Number : 49909S001 CDP Number : Date Installed : 21-NOV-1995 hh:mm UT Geologic Characteristic : BEDROCK Bedrock Type : 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 : (multiple lines) 2. Site Location Information City or Town : San Nicholas Island State or Province : California Country : USA Tectonic Plate : Pacific/North American Plate Boundary Approximate Position X coordinate (m) : -2631346.5209 Y coordinate (m) : -4646279.0113 Z coordinate (m) : 3477113.2301 Latitude (deg) : 33.2478 Longitude (deg) : -119.5243 Elevation (m) : 239.6859 Additional Information : SCIGN - Southern California Integrated GPS : Network. 3. GPS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Serial Number : T-326 Firmware Version : 3.2 link 03/09/95 Date Installed : 21-NOV-1995 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-8000 Serial Number : T-104 Firmware Version : 3.2 link 03/09/95 Date Installed : 10-JUL-1996 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 3.3 Receiver Type : ASHTECH LP Z-XII 700845-10D Serial Number : LP03099 Firmware Version : 1F50 Date Installed : 18-AUG-1998 Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : Replaces faulty TurboRogue receiver. 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 : DORNE MARGOLIN T Serial Number : 487 Antenna Height (m) : 0.0 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : None Date Installed : 21-NOV-1995 hh:mm UT Date Removed : 18-AUG-1998 hh:mm UT Additional Information : (multiple lines) 4.2 Antenna Type : ASHTECH Choke Ring 700936-02 Rev: E Serial Number : CR14693 Antenna Height (m) : 0.0083 m Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : None Date Installed : 18-AUG-1998 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : Replaces faulty TurboRogue antenna. 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 : 21-NOV-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 : Terascope Seismic Sensor 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 : JPL Mailing Address : 4800 Oak Grove Drive : Pasadena Ca. 91109 Primary Contact Contact Name : David A. Stowers Telephone (primary) : 818-354-7055 Telephone (secondary) : Fax : 818-393-4965 E-mail : dstowers@jpl.nasa.gov Secondary Contact Contact Name : John Galetzka / Jeff Behr Telephone (primary) : 626-583-7230 Telephone (secondary) : 626-583-7816 Fax : 626-583-7827 E-mail : galetzka@gps.caltech.edu; behr@gps.caltech.edu Additional Information : SCIGN Coordinator 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 TURBOROGUE: DORNE MARGOLIN T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 ARP <-- 0.381 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering