GASB Site Information Form (site log) BARD Continuously Operating Reference Station See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Ingrid Johanson Date Prepared : 2013-05-30 Report Type : UPDATE If Update: Previous Site Log : gasb_20120607.log Modified/Added Sections : 3.4 1. Site Identification of the GNSS Monument Site Name : Alder Springs Four Character ID : GASB Monument Inscription : IERS DOMES Number : CDP Number : Monument Description : Post fixed into the concrete that surrounds seismic vault. : Post is reinforced by a concrete cylinder and three welded legs. : The ends of the three legs were driven into the ground and : filled in with cement. Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 2011-06-17T00:14Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : 2. Site Location Information City or Town : Alder Springs State or Province : California Country : USA Tectonic Plate : Pacific-North America plate boundary Approximate Position (ITRF) X coordinate (m) : -2658220.5090 Y coordinate (m) : -4138072.7570 Z coordinate (m) : 4049411.7570 Latitude (N is +) : +393916.95 Longitude (E is +) : -1224257.35 Elevation (m,ellips.) : 1361.942 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00922 Firmware Version : 3.5 Mar,16,2011 p1 Elevation Cutoff Setting : Date Installed : 2011-06-17T00:14Z Date Removed : 2011-08-30T20:16Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00966 Firmware Version : 3.5 Jul,15,2011 p2 Elevation Cutoff Setting : Date Installed : 2011-08-30T20:16Z Date Removed : 2012-06-05T23:43Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00966 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : Date Installed : 2012-06-05T23:43Z Date Removed : 2013-05-29T19:36Z Temperature Stabiliz. : Additional Information : 3.4 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00966 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : Date Installed : 2013-05-29T19:36Z Date Removed : Temperature Stabiliz. : Additional Information : 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) 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 : TPSCR.G3 SCIT Serial Number : 383-1716 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 Antenna Radome Type : SCIT Radome Serial Number : 3059 Antenna Cable Type : Antenna Cable Length : Date Installed : 2011-06-17T00:14Z Date Removed : Additional Information : Mounted on SCIGN adapter, S/N 3069. Antenna : height is standard value relative to adapter : reference point, a dimpled nub. 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.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 : Berkeley Seismological Laboratory Preferred Abbreviation : BSL Mailing Address : University of California : 215 McCone Hall : Berkeley CA 94720-4760 Primary Contact Contact Name : Ingrid Johanson Telephone (primary) : 510.642.3977 Telephone (secondary) : Fax : 510.643.5811 E-mail : bard@seismo.berkeley.edu Secondary Contact Contact Name : Doug Neuhauser Telephone (primary) : 510.642.3977 Telephone (secondary) : 510.642.0931 Fax : 510.643.5811 E-mail : bard@seismo.berkley.edu Additional Information : 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : 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) 13. More Information Primary Data Center : NCEDC http://www.ncedc.org Secondary Data Center : URL for More Information : http://seismo.berkeley.edu/bard Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Yes Additional Information : Antenna Graphics with Dimensions TPSCR.G3 +-------+ / \ | | +-----------------+-------------+-----------------+ <-- 0.1015 TCR | | | | | | | | +-+-------------------------------------------------+-+ +-------------------+-------------+-------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.2380 --> <-- 0.3800 --> 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