CHIL Site Information Form (site log) International GNSS Service See Instructions at: ftp://igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : David Maggert Date Prepared : 2017-02-13 Report Type : UPDATE If Update: Previous Site Log : chil_20160218.log Modified/Added Sections : 3.13, 3.14 1. Site Identification of the GNSS Monument Site Name : Chilao Four Character ID : CHIL Monument Inscription : IERS DOMES Number : 40484M001 CDP Number : Monument Description : rock-pin/metal-tripod Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : filed notch on vertical rod Date Installed : 1994-09-02T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : IGNEOUS Bedrock Condition : SLIGHTLY WEATHERED, JOINTED Fracture Spacing : over 200 cm Fault zones nearby : Distance/activity : Additional Information : four 3/4 in. diameter stainless steel rods in a : tripod-with-vertical-rod configuration, angled : rods converge at ~1.2m above ground, central : rod extends above junction: 2. Site Location Information City or Town : San Gabriel Mountains State or Province : California Country : United States of America Tectonic Plate : PACIFIC Approximate Position (ITRF) X coordinate (m) : -2478003.1200 Y coordinate (m) : -4655349.2200 Z coordinate (m) : 3577932.2000 Latitude (N is +) : +342000.32 Longitude (E is +) : -1180133.59 Elevation (m,ellips.) : 1567.51 Additional Information : Los Angeles County. 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 03460 Firmware Version : 1D00 Elevation Cutoff Setting : deg deg Date Installed : 1994-09-02T00:00Z Date Removed : 1995-04-06T00:00Z Temperature Stabiliz. : none Additional Information : Initial measurements. 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 04538 Firmware Version : 1E24 Elevation Cutoff Setting : deg deg Date Installed : 1995-04-06T00:00Z Date Removed : 1995-04-13T00:00Z Temperature Stabiliz. : none Additional Information : Receiver swap and firmware upgrade. 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 04356 Firmware Version : 1E24 Elevation Cutoff Setting : deg deg Date Installed : 1995-04-13T00:00Z Date Removed : 1996-09-25T00:00Z Temperature Stabiliz. : none Additional Information : Receiver swap. 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 04356 Firmware Version : 1E95 Elevation Cutoff Setting : deg deg Date Installed : 1996-09-25T00:00Z Date Removed : 1997-11-20T00:00Z Temperature Stabiliz. : none Additional Information : Firmware upgrade. 3.5 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 03012 Firmware Version : 1F50 Elevation Cutoff Setting : deg deg Date Installed : 1997-11-20T00:00Z Date Removed : 1999-06-22T22:25Z Temperature Stabiliz. : none Additional Information : Receiver swap and firmware upgrade. 3.6 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02743 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-06-22T22:25Z Date Removed : 2002-06-08T00:00Z Temperature Stabiliz. : none Additional Information : Receiver swap and firmware upgrade for GPS week : rollover-compliance. 3.7 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02743 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 2002-06-08T00:00Z Date Removed : 2007-12-12T00:00Z Temperature Stabiliz. : none Additional Information : Sampling interval increased to 5 seconds. Raw : data stored permanently. Rinex data decimated to : 30 seconds. 3.8 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02657 Firmware Version : CC00 Elevation Cutoff Setting : Date Installed : 2007-12-12T00:00Z Date Removed : 2012-05-08T18:00Z Temperature Stabiliz. : none Additional Information : 3.9 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01102 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2012-05-08T19:10Z Date Removed : 2013-05-23T22:00Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01102 Firmware Version : 4.0 Dec,21,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2013-05-23T22:00Z Date Removed : 2015-04-27T23:00Z Temperature Stabiliz. : Additional Information : 3.11 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO Serial Number : 618-01102 Firmware Version : 4.0 Dec,21,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2015-04-27T23:00Z Date Removed : 2015-11-14T02:29Z Temperature Stabiliz. : Additional Information : GLONASS enabled 3.12 Receiver Type : TPS NET-G3A Satellite System : GPS+GLO Serial Number : 618-01102 Firmware Version : 4.5 Dec,29,2014 Elevation Cutoff Setting : 5 deg Date Installed : 2015-11-14T02:36Z Date Removed : 2016-02-09T22:04Z Temperature Stabiliz. : Additional Information : 3.13 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01102 Firmware Version : 4.5 Dec,29,2014 Elevation Cutoff Setting : 5 deg Date Installed : 2016-02-09T22:04Z Date Removed : 2017-02-10T23:54Z Temperature Stabiliz. : Additional Information : GLONASS disabled 3.14 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01102 Firmware Version : 4.7 Oct,18,2016 p2 Elevation Cutoff Setting : 5 deg Date Installed : 2017-02-11T00:02Z 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 : ASH700718B NONE Serial Number : 10334 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.6440 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1994-09-02T00:00Z Date Removed : 1995-04-06T00:00Z Additional Information : In field measured 66.0 cm to wide part of : pre-amp and corrected by subtracting 1.60 cm. : SOPAC's older logs for this site stated 0.0644 m : which was off by a factor of 10x (unit 4.2 Antenna Type : ASH700718B NONE Serial Number : 10859 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.6440 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1995-04-06T00:00Z Date Removed : 1995-05-30T00:00Z Additional Information : In field measured both to base of narrow part : (threaded base) which is 0.6440 m and to base of : wide part 0.660 m (a difference of 1.60 cm) 4.3 Antenna Type : ASH700936A_M SCPL Serial Number : 11497 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.6440 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : SCPL Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1995-05-30T00:00Z Date Removed : 2012-05-08T18:00Z Additional Information : Same filed notch used as vertical datum. No : field log was written when DM antenna was : emplaced. 4.4 Antenna Type : TPSCR.G3 SCPL Serial Number : 383-1822 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.6440 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SCPL Radome Serial Number : N/A Antenna Cable Type : Antenna Cable Length : Date Installed : 2012-05-08T19:10Z 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 : 1994-09-02/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 Preferred Abbreviation : USGS Mailing Address : USGS Pasadena Field Office : 525 South Wilson Avenue : Pasadena, CA. 91107 Primary Contact Contact Name : Ken Hudnut Telephone (primary) : 626-583-7232 Telephone (secondary) : Fax : 626-583-7827 E-mail : hudnut@usgs.gov Secondary Contact Contact Name : Dan Determan Telephone (primary) : 626-583-6729 Telephone (secondary) : Fax : E-mail : ddeterman@usgs.gov Additional Information : 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 : 13. More Information Primary Data Center : CDDIS Secondary Data Center : IGN URL for More Information : http://www.unavco.org Hardcopy on File Site Map : Y Site Diagram : Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions TPSCR.G3 +-------+ / \ | | +-----------------+-------------+-----------------+ <-- 0.1015 TCR | | | | | | | | +-+-------------------------------------------------+-+ +-------------------+-------------+-------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.2380 --> <-- 0.3800 -->