HELB 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) : Mario Aranha Date Prepared : 2021-01-06 Report Type : UPDATE If Update: Previous Site Log : help_20201112.log Modified/Added Sections : 4.1 1. Site Identification of the GNSS Monument Site Name : Rademacher Property Four Character ID : HELP Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : CONCRETE PILLAR Height of the Monument : (m) Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : NONE Date Installed : 2020-11-13T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : IGNEOUS Bedrock Condition : FRESH Fracture Spacing : over 200 cm Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : Reinforced concrete pillar monument. : 1.5" pipe cemented into concrete pillar : for SCIGN adapter. 2. Site Location Information City or Town : Miramonte State or Province : California Country : USA Tectonic Plate : Pacific-North America plate boundary Approximate Position (ITRF) X coordinate (m) : -2485063.1046 Y coordinate (m) : -4478965.1267 Z coordinate (m) : 3789655.2510 Latitude (N is +) : +364048.54 Longitude (E is +) : -1190122.14 Elevation (m,ellips.) : 1120.5000 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLONASS Serial Number : 4501801 Firmware Version : 5.2.0 Elevation Cutoff Setting : Date Installed : 2020-11-13T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) 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 : SEPCHOKE_B3E6 SPKE Serial Number : 5181 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 : SPKE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2020-11-13T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : Mounted on SCIGN adapter s/n 0771. 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 #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 : Peggy Hellweg Telephone (primary) : 510-643-9449 Telephone (secondary) : Fax : 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 4.1) Septentrio PolaNt Choke Ring B3/E6 https://www.septentrio.com/en/products/accessories/antennas/chokering-b3-e6 http://www.epncb.oma.be/ftp/station/general/antenna.gra SEPCHOKE_B3E6 --------------- <-- 0.1550 / \ | | +-----------------------------------------------------+ <-- 0.1080 TCR | | | | | | | | +-----------------+-----------------+-----------------+ <-- 0.0480 BCR | | | | | | +--------x--------+ <-- 0.0000 BAM=ARP NOM=NRP <-- 0.1210 --> <-- 0.3630 -->