*********************************************** SITE INFORMATION FORM *********************************************** 0. Form Prepared by (full name): Yehuda Bock / Frank Wyatt Date : May 8, 1994 Report type : UPDATE (DOMES correction) (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 : 40407M004 (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 40407M001 -169.626 -93.187 -280.348 1 90 03 3-5 Pinon 1 40407M004 -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 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 11. Hard copy information The next items should be compiled and sent to the Central Bureau (see original IGS Station Information Report, or contact the CB for forms). Please mark 'X' if on file or date expected to be available. Site Map : Site Diagram : Horizon Mask : Monument description : Site pictures :