LPHS 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) : Ryan Turner Date Prepared : 2024-10-08 Report Type : UPDATE If Update: Previous Site Log : lphs_20241002.log Modified/Added Sections : 13 1. Site Identification of the GNSS Monument Site Name : La Puente H.S. Four Character ID : LPHS Monument Inscription : LPHS IERS DOMES Number : 49923M001 CDP Number : Monument Description : Wyatt/Agnew drilled-braced Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Top of center support screw on SCIGN D3 antenna : adaptor Date Installed : 1998-07-22T00:00Z Geologic Characteristic : ALLUVIAL SILT AND CLAY Bedrock Type : N/A Bedrock Condition : N/A Fracture Spacing : N/A Fault zones nearby : Distance/activity : Additional Information : SCIGN - Southern California Integrated GPS : Network. Monument is Wyatt-type drilled-braced : Geodetic Monument composed of stainless steel : supports and new SCIGN antenna adaptor. Fixed : antenna height is 0.0083 m. A secondary : measurement, the adaptor/divot distance, taken : from the bottom of the lower adaptor plate to : the center of a divot drill-mark on the north- : facing tripod leg, is not yet measured. 2. Site Location Information City or Town : La Puente State or Province : California Country : USA Tectonic Plate : Pacific Approximate Position (ITRF) X coordinate (m) : -2480751.2003 Y coordinate (m) : -4674128.3998 Z coordinate (m) : 3548946.2002 Latitude (N is +) : +340136.37 Longitude (E is +) : -1175724.20 Elevation (m,ellips.) : 68.4781 Additional Information : Located on the campus of La Puente High School : 15615 E. Nelson Ave. La Puente, CA 91744 Los : Angeles County. Reference frame used is : ITRF2000. Coordinate system used is WGS84. 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03112 Firmware Version : 1F50 Elevation Cutoff Setting : 10 deg Date Installed : 1998-07-25T00:00Z Date Removed : 1999-06-24T23:01Z Temperature Stabiliz. : Additional Information : New Installation; interpolation feature on. 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02784 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-06-24T23:01Z Date Removed : 2012-06-08T00:10Z Temperature Stabiliz. : Additional Information : GPS week rollover-compliant 3.3 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01123 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2012-06-08T00:11Z Date Removed : 2013-05-29T20:59Z Temperature Stabiliz. : Additional Information : 3.4 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01123 Firmware Version : 4.0 Dec,21,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2013-05-29T21:46Z Date Removed : 2015-11-05T21:50Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO+SBAS Serial Number : 618-01123 Firmware Version : 4.5 Dec,29,2014 Elevation Cutoff Setting : 5 deg Date Installed : 2015-11-05T22:38Z Date Removed : 2017-01-24T19:30Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01055 Firmware Version : 4.7 Oct,18,2016 p2 Elevation Cutoff Setting : 5 deg Date Installed : 2017-01-24T19:36Z Date Removed : 2019-03-26T22:52Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01055 Firmware Version : 4.7 Feb,21,2019 p10 Elevation Cutoff Setting : 5 deg Date Installed : 2019-03-26T23:00Z Date Removed : 2022-07-29T21:14Z Temperature Stabiliz. : Additional Information : 3.8 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 3052175 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2022-07-29T21:14Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : Upgrade 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 : ASH700936E_C NONE Serial Number : CR14728 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1998-07-25T00:00Z Date Removed : 1999-08-08T00:00Z Additional Information : Antenna height is fixed and measured from the : raised nipple on the lower part of the antenna : adaptor (peak of center support screw) to the : BPA. 4.2 Antenna Type : ASH701945B_M SCIT Serial Number : CR519991741 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : 0 Antenna Radome Type : SCIT Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1999-08-08T00:00Z Date Removed : 2012-06-08T00:27Z Additional Information : New watertight Ashtech antenna. 4.3 Antenna Type : TPSCR.G3 SCIT Serial Number : 383-1857 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : Antenna Radome Type : SCIT Radome Serial Number : 2633 Antenna Cable Type : Antenna Cable Length : Date Installed : 2012-06-08T00:34Z Date Removed : 2022-07-29T21:14Z Additional Information : 4.4 Antenna Type : TWIVC6050 SCIT Serial Number : 710152202002210010 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : 0 Antenna Radome Type : SCIT Radome Serial Number : 3949 Antenna Cable Type : Antenna Cable Length : Date Installed : 2022-07-29T21:14Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : UpgradeUpgrade 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 : 1998-07-25/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 : (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 : UNAVCO Secondary Data Center : URL for More Information : https://www.unavco.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