TWMS Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Susan Jeffries Date Prepared : 2013-06-04 Report Type : UPDATE If Update: Previous Site Log : twms_20120516.log Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : Townsend Middle School Four Character ID : TWMS Monument Inscription : IERS DOMES Number : 49793M001 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 : 2000-06-27T00:00Z 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. Fixed antenna height is 0.0083 m. 2. Site Location Information City or Town : Chino Hills State or Province : California Country : USA Tectonic Plate : Pacific Approximate Position (ITRF) X coordinate (m) : -2463491.2998 Y coordinate (m) : -4687185.3 Z coordinate (m) : 3544029.4001 Latitude (N is +) : +335820.84 Longitude (E is +) : -1174331.88 Elevation (m,ellips.) : 208.0897 Additional Information : San Bernardino 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 : LP02759 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 2000-06-27T00:00Z Date Removed : 2005-10-20T21:21Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP020004503 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 2005-10-20T21:21Z Date Removed : 2006-01-11T22:57Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02878 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 2006-01-11T22:57Z Date Removed : 2008-06-10T20:34Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03020 Firmware Version : CC00 Elevation Cutoff Setting : 0 deg Date Installed : 2008-06-10T20:34Z Date Removed : 2009-06-26T22:30Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03042 Firmware Version : CD00 Elevation Cutoff Setting : 0 deg Date Installed : 2009-06-26T22:30Z Date Removed : 2010-12-28T01:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4927175291 Firmware Version : 1.2-5 22OCT2007 Elevation Cutoff Setting : 0 deg Date Installed : 2010-12-28T01:20Z Date Removed : 2011-08-20T01:49Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.7 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01030 Firmware Version : 3.5 Jul 15,2011 p2 Elevation Cutoff Setting : 5 deg Date Installed : 2011-08-20T01:56Z Date Removed : 2012-01-24T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.8 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01030 Firmware Version : 3.5 Aug,24,2011 p3b2 Elevation Cutoff Setting : 5 deg Date Installed : 2012-01-25T00:00Z Date Removed : 2012-05-11T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.9 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01030 Firmware Version : 3.6 Feb,28,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2012-05-12T00:00Z Date Removed : 2013-06-04T17:49Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.10 Receiver Type : TPS NET-G3A Satellite System : GPS Serial Number : 618-01030 Firmware Version : 4.0 Dec,21,2012 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2013-06-04T18:29Z 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/GLONASS/GPS+GLONASS) 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 : ASH701945B_M SCIT Serial Number : CR519991794 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 deg Antenna Radome Type : SCIT Radome Serial Number : 30 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2000-06-27T00:00Z Date Removed : 2012-11-02T22:26Z Additional Information : 4.2 Antenna Type : TPSCR.G3 SCIT Serial Number : 383-1842 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0083 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : deg Antenna Radome Type : SCIT Radome Serial Number : 30 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2012-11-02T22:31Z 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.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 : : Primary Contact Contact Name : Nancy King Telephone (primary) : 626-583-7815 Telephone (secondary) : Fax : 626-583-7827 E-mail : nking@usgs.gov Secondary Contact Contact Name : Keith Stark Telephone (primary) : 818-438-6224 Telephone (secondary) : Fax : E-mail : stark@dukester.com Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : (A10) 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 : http://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 TPSCR.G3 +-------+ / \ | | +-----------------+-------------+-----------------+ <-- 0.1015 TCR | | | | | | | | +-+-------------------------------------------------+-+ +-------------------+-------------+-------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.2380 --> <-- 0.3800 -->