LAPC 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) : Susan Jeffries Date Prepared : 2022-10-10 Report Type : UPDATE If Update: Previous Site Log : lapc_20210203.log Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : LAPC_SCGN_CS1999 Four Character ID : LAPC Monument Inscription : IERS DOMES Number : 49973M001 CDP Number : Monument Description : Wyatt/Agnew drilled-braced Height of the Monument : (m) Monument Foundation : (STEEL RODS/CONCRETE BLOCK/ROOF/etc) Foundation Depth : (m) Marker Description : Top of center support screw on SCIGN D3 antenna : adaptor Date Installed : 1999-03-11 Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/10-50 cm/50-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) 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 : Woodland Hills State or Province : California Country : USA Tectonic Plate : Pacific Approximate Position (ITRF) X coordinate (m) : -2526455.4133 Y coordinate (m) : -4638729.3254 Z coordinate (m) : 3563274.8658 Latitude (N is +) : +341054.92 Longitude (E is +) : -1183428.74 Elevation (m,ellips.) : 207.8148 Additional Information : Los Angeles County. Reference frame used is : (ITRF97). Coordinate system used is (WGS84). 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02788 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-06-30T00:00Z Date Removed : 1999-08-04T00:00Z Temperature Stabiliz. : Additional Information : Initial installation 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02788 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-04-04T00:00Z Date Removed : 1999-08-10T00:00Z Temperature Stabiliz. : Additional Information : Sample interval decreased to 120 seconds. 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02788 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-08-10T00:00Z Date Removed : 1999-09-05T00:00Z Temperature Stabiliz. : Additional Information : Sampling interval increased to 30 seconds. 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02788 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-09-05T00:00Z Date Removed : 1999-10-09T00:00Z Temperature Stabiliz. : Additional Information : Sampling interval decreased to 120 seconds. 3.5 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02788 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-10-09T00:00Z Date Removed : 1999-11-16T00:00Z Temperature Stabiliz. : Additional Information : Sampling interval increased to 30 seconds. 3.6 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02788 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-11-16T00:00Z Date Removed : 2000-04-05T00:00Z Temperature Stabiliz. : Additional Information : Sampling interval decreased to 120 seconds. 3.7 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03041 Firmware Version : CD00 Elevation Cutoff Setting : 10 deg Date Installed : 2000-04-05T00:00Z Date Removed : 2001-02-15T00:00Z Temperature Stabiliz. : Additional Information : Sample interval changes a few times during time : period. 3.8 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03041 Firmware Version : CD00 Elevation Cutoff Setting : 10 deg Date Installed : 2001-02-15T00:00Z Date Removed : 2001-08-31T00:00Z Temperature Stabiliz. : Additional Information : Sampling interval increased to 60 seconds. 3.9 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03041 Firmware Version : CD00 Elevation Cutoff Setting : 10 deg Date Installed : 2001-08-31T00:00Z Date Removed : 2007-03-06T21:53Z Temperature Stabiliz. : Additional Information : Sampling interval increased to 30 seconds. 3.10 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123512 Firmware Version : 1.1-2 Elevation Cutoff Setting : 0 deg Date Installed : 2007-03-06T21:53Z Date Removed : 2010-07-18T20:00Z Temperature Stabiliz. : Additional Information : (multiple lines) 3.11 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123512 Firmware Version : 1.3-0 Elevation Cutoff Setting : 0 deg Date Installed : 2010-07-18T20:00Z Date Removed : 2016-10-25T14:03Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.12 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4641123512 Firmware Version : 1.3-2 Elevation Cutoff Setting : deg Date Installed : 2016-10-25T14:03Z Date Removed : 2020-05-06T18:25Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.13 Receiver Type : SEPT POLARX5 Satellite System : GPS Serial Number : 3061487 Firmware Version : 5.3.2 Elevation Cutoff Setting : deg Date Installed : 2020-05-06T18:25Z Date Removed : 2020-05-06T18:25Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.14 Receiver Type : SEPT POLARX5 Satellite System : GPS Serial Number : 3061487 Firmware Version : 5.3.2 Elevation Cutoff Setting : deg Date Installed : 2020-05-06T18:25Z Date Removed : 2021-01-28T17:11Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.15 Receiver Type : SEPT POLARX5 Satellite System : GPS Serial Number : 3061487 Firmware Version : 5.4.0 Elevation Cutoff Setting : deg Date Installed : 2021-01-28T17:11Z Date Removed : 2021-09-03T03:01Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.16 Receiver Type : SEPT POLARX5 Satellite System : GPS Serial Number : 3061487 Firmware Version : 5.4.0-patch1 Elevation Cutoff Setting : deg Date Installed : 2021-09-03T03:01Z Date Removed : 2022-10-07T02:01Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.17 Receiver Type : SEPT POLARX5 Satellite System : GPS Serial Number : 3061487 Firmware Version : 5.5.0 Elevation Cutoff Setting : deg Date Installed : 2022-10-07T02:01Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : (multiple lines) 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 SCIT Serial Number : CR14705 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 : deg Antenna Radome Type : SCIT Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1999-06-30T00:00Z Date Removed : 1999-08-11T00:00Z Additional Information : 4.2 Antenna Type : ASH701945B_M SCIT Serial Number : CR519991789 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 : deg Antenna Radome Type : SCIT Radome Serial Number : 0067 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1999-08-11T00:00Z Date Removed : 2020-05-06T18:25Z Additional Information : 4.3 Antenna Type : TRM59800.99 SCIT Serial Number : 0220373076 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 : deg Antenna Radome Type : SCIT Radome Serial Number : 0067 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2020-05-06T18:25Z Date Removed : 2020-05-06T18:25Z Additional Information : (multiple lines) 4.4 Antenna Type : TRM59800.99 SCIT Serial Number : 0220373076 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 : deg Antenna Radome Type : SCIT Radome Serial Number : 0067 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2020-05-06T18:25Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 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 : Input Frequency : Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 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 7.1 Instrumentation Type : NONE Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DDThh:mmZ) Notes : (multiple lines) 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 : UNAVCO Preferred Abbreviation : UNAVCO Mailing Address : : : : Boulder CO USA 80301 Primary Contact Contact Name : Karl Feaux Telephone (primary) : 303-381-7556 Telephone (secondary) : Fax : 303-381-7552 E-mail : feaux@unavco.org 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 Boulder Facility Archive 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 : (multiple lines) Antenna Graphics with Dimensions TRM159800.00 TRM159900.00 TRM29659.00 TRM59800.00 TRM59800.00C TRM59800.80 TRM59800.99 TRM59900.00 ----- / \ | | +-------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0381 +-------------------+-------------+-------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.0000 BPA=ARP RXC=NRP <-- 0.3810 -->