CIT1 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) : David Maggert Date Prepared : 2008-05-13 Report Type : UPDATE If Update: Previous Site Log : cit1_20071130.log Modified/Added Sections : (11) 1. Site Identification of the GNSS Monument Site Name : Caltech Four Character ID : CIT1 Monument Inscription : IERS DOMES Number : 40400S201 CDP Number : Monument Description : wall Height of the Monument : (m) Monument Foundation : ROOF Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 1994-09-01 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 : Southern California Integrated GPS Network - : SCIGN. 2. Site Location Information City or Town : Pasadena State or Province : California Country : USA Tectonic Plate : Pacific Approximate Position (ITRF) X coordinate (m) : -2491614.48294808 Y coordinate (m) : -4660504.50319449 Z coordinate (m) : 3559431.18764722 Latitude (N is +) : +340824.00 Longitude (E is +) : -1180748.00 Elevation (m,ellips.) : 215.36 Additional Information : Los Angeles County. Reference frame used is : (ITRF2000). Coordinate system used is (WGS84). 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : 326 Firmware Version : 2.8.32.1x-93/07/08 17:10:28 Elevation Cutoff Setting : deg Date Installed : 1994-09-01 Date Removed : 1994-10-12 Temperature Stabiliz. : none Additional Information : Initial measurements. 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : 326 Firmware Version : 3.0 1994 10/10 17:01:54 Elevation Cutoff Setting : deg Date Installed : 1994-10-12 Date Removed : 1995-03-02 Temperature Stabiliz. : none Additional Information : Firmware upgrade. 3.3 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : 326 Firmware Version : 3.2 link 03/02/95 Elevation Cutoff Setting : deg Date Installed : 1995-03-02 Date Removed : 1995-03-16 Temperature Stabiliz. : none Additional Information : Firmware upgrade. 3.4 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : 326 Firmware Version : 3.2 link 03/09/95 Elevation Cutoff Setting : deg Date Installed : 1995-03-16 Date Removed : 1995-05-12 Temperature Stabiliz. : none Additional Information : Firmware upgrade. 3.5 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T-337 Firmware Version : 3.2 link 03/09/95 Elevation Cutoff Setting : deg Date Installed : 1995-05-12 Date Removed : 1998-12-18 Temperature Stabiliz. : none Additional Information : ASHTECH Z-XII3 3.6 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02915 Firmware Version : CB00-1D02 Elevation Cutoff Setting : deg Date Installed : 1998-12-18 Date Removed : 1999-06-28 Temperature Stabiliz. : none Additional Information : Receiver swap. Continuing use of Dorne Margolin : T Ant. Antenna cable swap 26-FEB-1999 00:07 UT 3.7 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02915 Firmware Version : CC00 Elevation Cutoff Setting : 10 deg Date Installed : 1999-06-28 Date Removed : 2006-02-03 Temperature Stabiliz. : none Additional Information : Firmware upgrade for GPS week : rollover-compliance. 3.8 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP03314 Firmware Version : CC00 Elevation Cutoff Setting : deg Date Installed : 2006-02-03 Date Removed : 2007-11-30 Temperature Stabiliz. : none Additional Information : (multiple lines) 3.9 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02774 Firmware Version : CC00 Elevation Cutoff Setting : deg Date Installed : 2007-11-30 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 : (A5) 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 NONE Serial Number : 161 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1994-09-01 Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : High gain/low noise amplifier with RFI filters 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 5.1 Tied Marker Name : NONE 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) 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 : (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 : Scripps Orbit and Permanent Array Center URL for More Information : http://www.unavco.org Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions AOAD/M_T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier TOP: Top of Pole