SAOB Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Mario Aranha Date Prepared : 2021-05-17 Report Type : UPDATE If Update: Previous Site Log : saob_20210317.log Modified/Added Sections : 1,2,3.10,4.1,11,12,13 1. Site Identification of the GNSS Monument Site Name : San Andreas Geophysical Observatory Four Character ID : SAOB Monument Inscription : IERS DOMES Number : CDP Number : Monument Description : CONCRETE PILLAR Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1997-08-21T21:05Z Geologic Characteristic : BEDROCK Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Reinforced concrete monument, approximately : 1m high. Monument is fastened to underlying : rock with cemented reinforcing rods. : Threaded 5/8" rod is cemented about 0.8m : deep into concrete. Antenna threads onto rod : in reproducible manner. Mark is top : of washer at center of rod. 2. Site Location Information City or Town : Rural, near Hollister State or Province : California Country : USA Tectonic Plate : Pacific-North America plate boundary Approximate Position (ITRF) X coordinate (m) : -2669035.69868 Y coordinate (m) : -4364494.88230 Z coordinate (m) : 3796775.85674 Latitude (N is +) : +364555.10 Longitude (E is +) : -1212649.89 Elevation (m,ellips.) : 359.8286 Additional Information : X,Y,Z is GAGE3 IGb14 epoch 2020.7077 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP01384 Firmware Version : 1E95 Elevation Cutoff Setting : Date Installed : 1997-08-21T21:05Z Date Removed : 1998-08-26T00:00Z Temperature Stabiliz. : Additional Information : Receiver removal time uncertain 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP01379 Firmware Version : 1E95 Elevation Cutoff Setting : Date Installed : 1998-08-26T00:00Z Date Removed : 1999-07-15T18:49Z Temperature Stabiliz. : Additional Information : Receiver installation time uncertain 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP01379 Firmware Version : CC00 Elevation Cutoff Setting : Date Installed : 1999-07-15T18:49Z Date Removed : 2002-04-21T00:00Z Temperature Stabiliz. : Additional Information : Receiver Stolen 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02283 Firmware Version : CC00 Elevation Cutoff Setting : Date Installed : 2002-05-17T00:00Z Date Removed : 2009-04-30T23:30Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4706128333 Firmware Version : 1.1-3 Elevation Cutoff Setting : 0 Date Installed : 2009-04-30T23:30Z Date Removed : 2009-05-02T22:18Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4706128333 Firmware Version : 1.1-5 Elevation Cutoff Setting : 0 Date Installed : 2009-05-02T22:18Z Date Removed : 2010-09-29T20:51Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4706128333 Firmware Version : 1.2-0 Elevation Cutoff Setting : 0 Date Installed : 2010-09-29T20:51Z Date Removed : 2012-06-29T17:06Z Temperature Stabiliz. : Additional Information : firmware was previously listed : as 1.3-0. Fixed 6/25/12 3.8 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4706128333 Firmware Version : 1.3-0 Elevation Cutoff Setting : 0 Date Installed : 2012-06-29T17:06Z Date Removed : 2015-09-01T00:00Z Temperature Stabiliz. : Additional Information : 3.9 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4706128333 Firmware Version : 1.3-2 Elevation Cutoff Setting : 0 Date Installed : 2015-09-01T00:00Z Date Removed : 2021-03-17T00:00Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO Serial Number : 3052344 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 Date Installed : 2021-03-17T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : shipping S/N 4502935, UC Prop# 2019100095 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+SBAS) Serial Number : (A20, but note the first A5 is used in SINEX) Firmware Version : (A11) Elevation Cutoff Setting : (deg) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 4. GNSS Antenna Information 4.1 Antenna Type : ASH700936D_M NONE Serial Number : 12657 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0590 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 Antenna Radome Type : Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1997-08-21T21:05Z Date Removed : 1999-07-15T23:29Z Additional Information : 4.2 Antenna Type : ASH700936D_M SCIT Serial Number : 12657 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1266 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 Antenna Radome Type : SCIT Radome Serial Number : 00192 Antenna Cable Type : Antenna Cable Length : Date Installed : 1999-07-15T23:29Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : SCIGN Adaptor 0139 : HI from previous refernce mark : Reference mark to base = 98.6 mm : Base of adapter to SCIGN mark = 19.685 mm : SCIGN mark to BPA = 8.3mm : Radome SCIGN Tall 00192 4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions) Serial Number : (A*, but note the first A5 is used in SINEX) Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.) Marker->ARP Up Ecc. (m) : (F8.4) Marker->ARP North Ecc(m) : (F8.4) Marker->ARP East Ecc(m) : (F8.4) Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : (A4 from rcvr_ant.tab; see instructions) Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 5. Surveyed Local Ties 5.x Tied Marker Name : Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc) Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : (m) dy (m) : (m) dz (m) : (m) Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : 1997-08-21/CCYY-MM-DD Notes : 6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc) Input Frequency : (if external) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 7. Collocation Information 7.x Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8. Meteorological Instrumentation 8.1.x Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy (% rel h) : (% rel h) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.2.x Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.3.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (deg C) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.4.x Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : (m) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.x Signal Obstructions : (TREES/BUILDLINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 10. Local Episodic Effects Possibly Affecting Data Quality 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : UC Berkeley Preferred Abbreviation : BARD Mailing Address : University of California : 307 McCone Hall #4760 : Berkeley CA 94720-4760 Primary Contact Contact Name : Mario Aranha Telephone (primary) : 510-643-3898 Telephone (secondary) : Fax : E-mail : bard@seismo.berkeley.edu Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : Mailing Address : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : NCEDC Secondary Data Center : URL for More Information : http://www.seismo.berkeley.edu/bard Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : 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 BPA/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