BLYT 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 : 2007-07-19 Report Type : DYNAMIC If Update: Previous Site Log : blyt_20051110.log Modified/Added Sections : 11,13 1. Site Identification of the GNSS Monument Site Name : Blythe Four Character ID : BLYT Monument Inscription : Riverside County Surveyor Blythe Airbase : Continuous GPS Tracking Station Nov. 1993 : Gerald Stayner IERS DOMES Number : 40479M001 CDP Number : (A4) Monument Description : Wyatt/Agnew drilled-braced Height of the Monument: (m) Monument Foundation : (STEEL RODS/CONCRETE BLOCK/ROOF/etc) Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 1994-01-13T00:00Z Geologic Characteristic : SAND 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 : three angled, 9/16 in. stainless steel driven : rods driven to 30 ft., center rod driven to 40 : ft., 3 in. PVC pipe filled with insulation to : isolate upper 4 ft. of rods from surrounding : soil, concrete pad at surface, 1 in. diameter : by 3 ft. length stainless steel rod attached : to top of center rod at 1.5 ft. depth : baseplate is 3 in. diameter washer, 1/2 in. : thick, nut is standard 5/8 in., 5/8 in. thick, : rod is 1 in. diameter 316 seris stainless steel 2. Site Location Information City or Town : Blythe State or Province : California Country : USA Tectonic Plate : North America Approximate Position (ITRF) X coordinate (m) : -2223206.72 Y coordinate (m) : -4830299.8 Z coordinate (m) : 3510587.59 Latitude (N is +) : +333636.00 Longitude (E is +) : -1144236.00 Elevation (m,ellips.) : 85.9 Additional Information : SCIGN - Southern California Integrated GPS : Network : : Riverside 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 : 03435 Firmware Version : NAV 1C00, CHN 1C00 Elevation Cutoff Setting: (deg) Date Installed : 1994-01-13T00:00Z Date Removed : 1994-01-25T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : First measurements. 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 03435 Firmware Version : NAV 1C01, CHN 1C00 Elevation Cutoff Setting: (deg) Date Installed : 1994-01-25T00:00Z Date Removed : 1994-07-11T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade and sampling interval : increased to 30 seconds. 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 03435 Firmware Version : NAV 1D00, CHN 1C01 Elevation Cutoff Setting: (deg) Date Installed : 1994-07-11T00:00Z Date Removed : 1995-08-03T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade and sampling interval : increased to 30 seconds. 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 03435 Firmware Version : NAV 1E00, CHN 1C50 Elevation Cutoff Setting: (deg) Date Installed : 1995-08-03T00:00Z Date Removed : 1996-12-18T21:45Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade and sampling interval : increased to 30 seconds. 3.5 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 01894 Firmware Version : NAV 1E95, CHN 1D01 Elevation Cutoff Setting: (deg) Date Installed : 1996-12-18T21:45Z Date Removed : 1997-01-07T19:29Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver Swap, Firmware Upgrade Original : receiver refused upgrade 3.6 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 03435 Firmware Version : NAV 1E95, CHN 1D01 Elevation Cutoff Setting: (deg) Date Installed : 1997-01-07T19:29Z Date Removed : 1998-05-14T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware Upgrade Original receiver replaced 3.7 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02812 Firmware Version : 1F50 Elevation Cutoff Setting: (deg) Date Installed : 1998-05-14T00:00Z Date Removed : 1999-07-14T18:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : SCIGN receiver Model 700845-10(E) 3.8 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02895 Firmware Version : CC00 Elevation Cutoff Setting: 10 Date Installed : 1999-07-14T18:00Z Date Removed : 2000-10-25T20:48Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver swap for GPS week rollover-compliance. 3.9 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02908 Firmware Version : CC00 Elevation Cutoff Setting: 10 Date Installed : 2000-10-25T20:48Z Date Removed : 2005-11-10T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Replaced damaged receiver 3.10 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02772 Firmware Version : CD00 Elevation Cutoff Setting: 00 Date Installed : 2005-11-10T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : 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 : ASH700228D Serial Number : 700228D2941 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.036 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 : SNOW Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1994-01-13T00:00Z Date Removed : 1995-08-03T00:00Z Additional Information : (multiple lines) 4.2 Antenna Type : ASH700936B_M Serial Number : CR11933 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0347 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 : ENCL Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1995-08-03T00:00Z Date Removed : 2000-03-30T00:20Z Additional Information : Dome removed - site enclosure dome in use 4.3 Antenna Type : ASH701945B_M Serial Number : CR519991710 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0332 Marker->ARP North Ecc(m): (F8.4) Marker->ARP East Ecc(m) : (F8.4) Alignment from True N : 0 Antenna Radome Type : ENCL Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2000-03-30T00:20Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : Antenna change 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 : 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 : (if external) Effective Dates : 1994-01-13/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 : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) 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 8.1.1 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) 8.1.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) 8.2.1 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) 8.2.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) 8.3.1 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) 8.3.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) 8.4.1 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) 8.4.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) 8.5.1 Other Instrumentation : (multiple lines) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) 8.5.x Other Instrumentation : (multiple lines) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 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) 9.1.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) 9.2.1 Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/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) 9.3.1 Signal Obstructions : (TREES/BUILDINGS/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 10.1 Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 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 : Bob Dollar Telephone (primary) : 626-583-7227 Telephone (secondary) : Fax : E-mail : dollar@gps.caltech.edu Secondary Contact Contact Name : Keith Stark Telephone (primary) : 626-583-6729 Telephone (secondary) : Fax : 626-583-7827 E-mail : stark@dukester.com Additional Information : 12. Responsible Agency (if different from 11.) Agency : County of Riverside Preferred Abbreviation : (A10) Mailing Address : 4080 Lemon Street, 8th Floor Riverside 92501 Primary Contact Contact Name : Brian Hess Telephone (primary) : 909-955-6875 Telephone (secondary) : Fax : E-mail : bhess@co.riverside.ca.us 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 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 (insert text graphic from antenna.gra)