TORP00USA Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt 0. Form Prepared by (full name) : Ryan Turner Date Prepared : 2024-10-11 Report Type : UPDATE If Update: Previous Site Log : torp00usa_20210928.log Modified/Added Sections : 1, 2, 3.3, 4.1, 4.2, 4.3, 4.4, 11, 13 1. Site Identification of the GNSS Monument Site Name : Torrance Airport Nine Character ID : TORP00USA Monument Inscription : IERS DOMES Number : 49912M001 CDP Number : Monument Description : Wyatt/Agnew driven-braced Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : drilled hole in SE verical pipe Date Installed : 1997-02-28T00:00Z Geologic Characteristic : Consolodated marine sediments Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Antenna is attached to a machined adjustable : adaptor on top of a Scripps designed and : installed drilled quadpod monument located at : the southeast end of the main runway. Antenna : cover is an Ashtech SNOW dome that is attached : by velcro onto the antenna itself (it is shaped : like a missile cone, rather than : hemispherical). : SCIGN - Southern California Integrated GPS : Network 2. Site Location Information City or Town : Torrance State or Province : California Country or Region : USA Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : -2517894.5535 Y coordinate (m) : -4670259.8838 Z coordinate (m) : 3527827.6264 Latitude (N is +) : +334752.07 Longitude (E is +) : -1181950.17 Elevation (m,ellips.) : -5.2 Additional Information : Site is located at Torrance Airport Los Angeles : County. 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T 03601 (JPL) Firmware Version : 3.2 Elevation Cutoff Setting : Date Installed : 1997-02-28T00:00Z Date Removed : 1999-01-06T00:00Z Temperature Stabiliz. : Additional Information : First measurements 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02880 Firmware Version : CB00 Elevation Cutoff Setting : Date Installed : 1999-01-06T00:00Z Date Removed : 1999-07-12T00:00Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02880 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-07-12T00:00Z Date Removed : 2008-12-19T20:00Z Temperature Stabiliz. : Additional Information : Configuration Change: Firmware upgrade for GPS : week rollover-compliance. 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03217 Firmware Version : CD00 Elevation Cutoff Setting : Date Installed : 2008-12-20T00:00Z Date Removed : 2011-01-06T02:52Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01074 Firmware Version : 3.5 May 06,2010 Elevation Cutoff Setting : 5 deg Date Installed : 2011-01-06T03:20Z Date Removed : 2012-01-22T23:59Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01074 Firmware Version : 3.5 Aug,24,2011 p3b2 Elevation Cutoff Setting : 5 deg Date Installed : 2012-01-23T00:00Z Date Removed : 2012-05-10T23:59Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01074 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2012-05-11T00:00Z Date Removed : 2013-06-03T22:43Z Temperature Stabiliz. : Additional Information : 3.8 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01074 Firmware Version : 4.0 Dec,21,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2013-06-03T23:32Z Date Removed : 2015-11-18T21:33Z Temperature Stabiliz. : Additional Information : 3.9 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO Serial Number : 618-01074 Firmware Version : 4.5 Dec,29,2014 Elevation Cutoff Setting : 5 deg Date Installed : 2015-11-18T21:38Z Date Removed : 2017-02-22T19:55Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01074 Firmware Version : 4.7 Oct,18,2016 p2 Elevation Cutoff Setting : 5 deg Date Installed : 2017-02-22T19:55Z Date Removed : 2019-03-27T20:11Z Temperature Stabiliz. : Additional Information : 3.11 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO Serial Number : 618-01074 Firmware Version : 4.7 Feb,21,2019 p10 Elevation Cutoff Setting : 5 deg Date Installed : 2019-03-27T20:42Z Date Removed : 2021-09-20T20:40Z Temperature Stabiliz. : Additional Information : 3.12 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3052252 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2021-09-20T22:05Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : 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 : AOAD/M_T SNOW Serial Number : 296 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1145 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1997-02-28T00:00Z Date Removed : 2011-01-07T23:45Z Additional Information : Vertical datum is a drilled hole in the : vertical : pipe and faces southeast. 4.2 Antenna Type : TPSCR.G3 SCIS Serial Number : 383-1827 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1145 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2011-01-07T23:45Z Date Removed : 2021-09-20T20:40Z Additional Information : Vertical datum is a drilled hole in the : vertical : pipe and faces southeast. 4.3 Antenna Type : TWIVC6050 NONE Serial Number : VC6150L1910310004 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1145 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2021-09-20T22:05Z Date Removed : 2021-09-21T22:00Z Additional Information : 4.4 Antenna Type : TWIVC6050 SCIS Serial Number : VC6150L1910310004 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.1145 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCIS Radome Serial Number : 2706 Antenna Cable Type : Antenna Cable Length : Date Installed : 2021-09-21T22:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : 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 : 1997-03-03/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/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 : USGS Southern California Geodetic Network Preferred Abbreviation : SCGN Mailing Address : 525 South Wilson Avenue. Pasadena, CA 91106 Primary Contact Contact Name : USGS SCGN Operators Telephone (primary) : 650-329-4677 Telephone (secondary) : Fax : E-mail : scgn-operators@usgs.gov Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : (multiple lines) Preferred Abbreviation : (A10) 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 : CDDIS Secondary Data Center : IGN URL for More Information : https://cddis.nasa.gov/ Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions +---------------+ <-- 0.1508 | | |---------------------------| <-- 0.1218 TCR |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0435 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.1148 --> NOM=NRP <-- 0.378 -->