HOPB 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 : 2022-12-12 Report Type : UPDATE If Update: Previous Site Log : hopb_20221117.log Modified/Added Sections : 3.13,3.14 1. Site Identification of the GNSS Monument Site Name : Hopland Four Character ID : HOPB Monument Inscription : IERS DOMES Number : 49425M001 CDP Number : Monument Description : MAST Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1995-08-26T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Monument drilled and cemented into massive : outcrop. Threaded 5/8" rod is cemented about : 0.8m deep into rock with stainless steel collar : at the surface. Antenna threads onto rod in : reproducible manner. Mark is top of washer at : center of rod. SCIGN adapter added 7/30/2013. : Washer is still in tact and antenna height is : given relative to washer. : 2022-11-17 site decommissioned 2. Site Location Information City or Town : Rural, near Hopland State or Province : California Country : USA Tectonic Plate : Pacific-North America plate boundary Approximate Position (ITRF) X coordinate (m) : -2708982.2755 Y coordinate (m) : -4159579.0024 Z coordinate (m) : 3992123.9287 Latitude (N is +) : +385942.67 Longitude (E is +) : -1230429.04 Elevation (m,ellips.) : 353.2323 Additional Information : On Univ of Calif's Hopland Field Station 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 : 700571B02283 Firmware Version : 1C01 Elevation Cutoff Setting : Date Installed : 1995-08-26T00:00Z Date Removed : 1996-06-06T01:28Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 700571B02283 Firmware Version : 1E86 Elevation Cutoff Setting : Date Installed : 1996-06-06T01:28Z Date Removed : 1997-09-09T00:33Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 700571B02283 Firmware Version : 1F60 Elevation Cutoff Setting : Date Installed : 1997-09-09T00:33Z Date Removed : 1999-08-04T20:38Z Temperature Stabiliz. : Additional Information : Configuration Change: Typo in serial number : fixed 4/27/12 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP019990501 Firmware Version : CC00 Elevation Cutoff Setting : Date Installed : 1999-08-04T20:38Z Date Removed : 2007-05-08T00:30Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 3314A02884 Firmware Version : 6.12 Elevation Cutoff Setting : Date Installed : 2007-05-08T00:30Z Date Removed : 2011-08-24T21:17Z Temperature Stabiliz. : Additional Information : No Antenna change, Antenna cable changed 3.6 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00965 Firmware Version : 3.5 Jul,15,2011 p2 Elevation Cutoff Setting : Date Installed : 2011-08-24T21:17Z Date Removed : 2011-12-13T23:18Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00965 Firmware Version : 3.5 Nov,18,2011 p3b3 pre3 Elevation Cutoff Setting : 5 deg Date Installed : 2011-12-13T23:18Z Date Removed : 2012-06-05T20:21Z Temperature Stabiliz. : Additional Information : 3.8 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00965 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2012-06-05T20:21Z Date Removed : 2013-06-06T17:30Z Temperature Stabiliz. : Additional Information : 3.9 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00919 Firmware Version : 4.0 Dec,21,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2013-06-06T17:30Z Date Removed : 2013-07-30T17:05Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00938 Firmware Version : 4.0 Dec,21,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2013-07-30T17:05Z Date Removed : 2016-12-23T00:00Z Temperature Stabiliz. : Additional Information : 3.11 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00938 Firmware Version : 4.7 Oct,18,2016 p2 Elevation Cutoff Setting : 5 deg Date Installed : 2016-12-23T00:00Z Date Removed : 2019-04-02T17:15Z Temperature Stabiliz. : Additional Information : 3.12 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-00938 Firmware Version : 4.7 Feb,21,2019 p10 Elevation Cutoff Setting : 5 deg Date Installed : 2019-04-02T17:15Z Date Removed : 2019-04-02T22:11Z Temperature Stabiliz. : Additional Information : 3.13 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO Serial Number : 3021083 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-02T22:11Z Date Removed : 2019-10-15T00:00Z Temperature Stabiliz. : Additional Information : 3.14 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO Serial Number : 3021083 Firmware Version : 5.3.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-10-15T00:00Z Date Removed : 2022-11-17T00:00Z Temperature Stabiliz. : Additional Information : : 2022-11-17 site decommissioned 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 : ASH700228D ENCL Serial Number : 700228D2134 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : -0.015 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 16 Antenna Radome Type : ENCL Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1995-08-26T00:00Z Date Removed : 1997-09-09T00:33Z Additional Information : Antenna height measured relative to a different : mark than given in Section 1. Radome is : Plexiglass Skylight 4.2 Antenna Type : ASH700936C_M NONE Serial Number : 12370 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0341 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1997-09-09T00:33Z Date Removed : 1999-08-04T20:38Z Additional Information : In past log files part number (700936-C) was : incorrectly listed as the serial number. 4.3 Antenna Type : ASH700936C_M SCIS Serial Number : 12370 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0341 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 Antenna Radome Type : SCIS Radome Serial Number : 00402 Antenna Cable Type : Antenna Cable Length : Date Installed : 1999-08-04T20:38Z Date Removed : 2013-07-30T17:05Z Additional Information : Configuration Change: Radome is SCIGN Short : 00402 In past log files part number (700936-C) : was incorrectly listed as the serial number. 4.4 Antenna Type : TPSCR.G3 SCIT Serial Number : 383-1970 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1325 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 Antenna Radome Type : SCIT Radome Serial Number : 3075 Antenna Cable Type : Antenna Cable Length : Date Installed : 2013-07-30T17:05Z Date Removed : 2016-01-28T19:04Z Additional Information : SCIGN adapter was added to monument when this : antenna was installed. Antenna height is still : relative to original washer mark. 4.5 Antenna Type : TPSCR.G3 SCIT Serial Number : 383-1970 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1325 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 Antenna Radome Type : SCIT Radome Serial Number : 3075 Antenna Cable Type : Antenna Cable Length : Date Installed : 2016-01-28T19:04Z Date Removed : 2022-11-17T00:00Z Additional Information : Configuration Change: Antenna cable replaced : with equivalent. : 2022-11-17 site decommissioned 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/BUILDINGS/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, Berkeley, 307 McCone : Hall #4760, Berkeley CA 94720-4760 Primary Contact Contact Name : Mario Aranha Telephone (primary) : 510-643-3898 Telephone (secondary) : Fax : E-mail : mario@seismo.berkeley.edu Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 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 : (multiple lines) 13. More Information Primary Data Center : NCEDC Secondary Data Center : URL for More Information : https://ncedc.org Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : (Y or URL) Additional Information : Antenna Graphics with Dimensions https://files.igs.org/pub/station/general/antenna.gra