*********************************************** International GPS Service for Geodynamics (IGS) SITE INFORMATION FORM *********************************************** 0. Form Prepared by (full name): Yehuda Bock / Frank Wyatt Date : August 13, 1993 Report type : NEW (includes history since installation) (NEW or UPDATE) 1. Site Identification of the GPS monument Site Name : Pinon 2 PGGA 4 char ID : PIN2 Monument Inscription : None IERS DOMES Number : 40407 M004 (Altamimi 22-NOV-93) CDP Number : None Date : March 3, 1990 Additional information : PGGA - Permanent GPS Geodetic Array Note : PIN2 is the reference mark for PIN1. It is the end point of a 14 km continuously observing baseline, with other end point at ROCH. Note : Wyatt/Agnew geodetic monument 2. Site Location Town : Pinyon Flat Country : California, USA Tectonic Plate : Pacific-North America plate boundary Additional information : Pinon Flat Observatory Scripps Institution of Oceanography University of California, San Diego ITRF91 coordinates (m) -- X -2369466.385 Y -4761231.774 Z 3511396.569 Epoch 1993.4449 (These are post-Landers coordinates) 3. GPS Receiver a) Type : Trimble 4000 SST Serial Number : TBD Firmware Version : 4.11 Date : March 3, 1990 Note : First measurements b) Type : Trimble 4000 SST Serial Number : TBD Firmware Version : 4.11 Date : March 7, 1991 4. GPS Antenna a) Type : Trimble 4000ST L1/L2 GEOD Serial Number : TBD Vertical Antenna Height: 0.1330 m Antenna Reference Point: BPA (Bottom of Preamplifier) Date : March 3, 1990 b) Type : Trimble 4000ST L1/L2 GEOD Serial Number : TBD Vertical Antenna Height: 0.1435 m Antenna Reference Point: BPA (Bottom of Preamplifier) Date : March 7, 1991 Note: Antenna always oriented to true North 5. Local Site Ties Monument CDP DOMES Components (m) Accuracy Date Name Number Number dX dY dZ mm yy-mm-dd 7256 NCMN 1981 204 40470M001 -169.626 -93.187 -280.348 1 90 03 3-5 Pinon 1 40470M004 -44.038 24.468 -0.438 1 90 03 3-5 (Pinon "1" changed from "2" by W. Gurtner) PEQ: Post Landers/Big Bear earthquakes (June 28, 1993) Differential coordinates from the GPS monument to the reference and other monuments. The components are parallel to the XYZ-axes of the global geocentric reference system ITRF (WGS-84). "Accuracy" is estimated accuracy of local survey (millimeters). 6. Frequency standard H-maser / / Cesium / / Quartz / / Internal / X / Other (specify) : Date : All dates (Mark with 'X') 7. Collocation SLR / / VLBI / M / DORIS / / PRARE / / Other GEOPHYSICAL Instrumentation (specify): Continuous strain, tilt and gravity instruments, seismic array Other (specify) : Environmental sensors (Mark with 'P' for permanent, 'M' for mobile collocation) 8. On-site, Point of Contact Agency Information Agency : Scripps Institution of Oceanography Contact : Yehuda Bock / Keith Stark / Frank Wyatt Address : IGPP 0225, Scripps Institution of Oceanography 9500 Gilman Drive, La Jolla, CA 92093-0225 Telephone : (619) 534-7692 (0229/5292/2411) E-mail : bock@pgga.ucsd.edu/stark@pgga.ucsd.edu fwyatt@ucsd.edu Fax : (619) 534-5332 (8090) 9. Responsible Operations Agency (if different from item 8) Agency : Same as above 10. Please insert here the character graphics corresponding to the antenna type. Check, complete or change if necessary the antenna dimensions. 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