WVGB00USA Site Information Form WVDOT Continuously Operating Reference Station See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Lijuan Sun Date Prepared : 2023-08-23 Report Type : UPDATE If Update: Previous Site Log : wvgb_20230523.log Modified/Added Sections : 5.1 1. Site Identification of the GNSS Monument Site Name : Green Bank Four Character ID : WVGB Monument Inscription : IERS DOMES Number : 40441M002 CDP Number : (A4) Monument Description : ALUMINUM MAST Height of the Monument : 7.3 m Monument Foundation : Concrete pillar Foundation Depth : 2.2 m Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2011-10-12T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : SEDIMENTARY Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : The GNSS reference mark consist of a slightly : tapered 8" dia aluminum pipe 10 feet long, with : the 8" end welded to a 3/8" baseplate. The mast : baseplate is secured to concrete pillar 30in in : diameter extending 7 feet below ground level. : A commercial leveling mount is secured by means : of a 3.5" aluminum pipe thread adapter welded to : the upper diameter of the tapered mast. The mast : base plate is anchored to the concrete piller by : means of four, 1-5/8" galvanized steel nuts with : washers, affixed to four 7/8" threaded anchors, : welded to the concrete piller rebar cage. The : cage is constructed of 5/8" diameter reinforcing : bar. The aluminum mast gussets are four, 3/8" : thick triangular plates welded to the mast and : extending 3.5 feet above the base plate. : LS added 40441M002 as IERS DOMES number on : Aug 6 2021 that was assigned in July 2012 2. Site Location Information City or Town : Green Bank State or Province : West Virginia Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 884584.902 Y coordinate (m) : -4924714.969 Z coordinate (m) : 3943460.451 Latitude (N is +) : +382548.45 Longitude (E is +) : -0794901.31 Elevation (m,ellips.) : 811.2 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Computed in Dec 2012 using 6 days of data. 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4922K62096 Firmware Version : 4.48 Elevation Cutoff Setting : 0 deg Date Installed : 2011-10-12 Date Removed : 2013-02-11 Temperature Stabiliz. : 20 +/-3 Additional Information : Receiver replaced 3.2 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4924K62448 Firmware Version : 4.70 Elevation Cutoff Setting : 0 deg Date Installed : 2013-02-11 Date Removed : 2014-02-27 Temperature Stabiliz. : 20 +/-3 Additional Information : Firmware updated 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4924K62448 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-02-27 Date Removed : 2019-10-12 Temperature Stabiliz. : 20 +/-3 Additional Information : (multiple lines) 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4922K62096 Firmware Version : 48.01 Elevation Cutoff Setting : 0 deg Date Installed : 2019-10-12 Date Removed : 2023-05-22T16:13Z Temperature Stabiliz. : 20 +/-3 Additional Information : reinstalled original rcvr 3.1 : corrected serial number 3.5 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6141R40140 Firmware Version : 6.15/5.55 Elevation Cutoff Setting : 0 deg Date Installed : 2023-05-22T16:13Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : 20 +/-3 Additional Information : new receiver 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 : TRM57971.00 NONE Serial Number : 1440921123 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG213 Antenna Cable Length : 5 m Date Installed : 2011-10-12 Date Removed : 2023-05-22T16:13Z Additional Information : (multiple lines) 4.2 Antenna Type : TRM115000.00 NONE Serial Number : 61433G0095 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG213 Antenna Cable Length : 5 m Date Installed : 2023-05-22T16:13Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : new antenna 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 : T0007 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 : GNSS CAMAPAIN Date Measured : 2012-07-09T00:00Z 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 : 2011-10-12/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) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 Radio Interference : (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 Interference : (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/BUILDLINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.x Signal Obstructions : (TREES/BUILDLINGS/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 : National Radio Astronomy Observatory Preferred Abbreviation : NRAO Mailing Address : PO Box 2 : Green Bank, WV 24944-0002 Primary Contact Contact Name : Chris Clark Telephone (primary) : 304-456-2802 Telephone (secondary) : Fax : 304 456-2170 E-mail : WVRTNHelpDesk@wv.gov Secondary Contact Contact Name : Frank Ghigo Telephone (primary) : 304 456-2208 Telephone (secondary) : Fax : 304 456-2170 E-mail : fghigo@nrao.edu Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : West Virginia Department of Transportation Preferred Abbreviation : WVDOT Mailing Address : BUILDING 5 : 1900 KANAWHA BLVD E : CHARLESTON WV 25305 Primary Contact Contact Name : Dustin Feazell Telephone (primary) : (304) 414-7114 Telephone (secondary) : Fax : (304) 550-2330 E-mail : Dustin.L.Feazell@wv.gov Secondary Contact Contact Name : WVRTN HelpDesk Telephone (primary) : (304) 414-7114 Telephone (secondary) : Fax : (304) 550-2330 E-mail : WVRTNHelpDesk@wv.gov Additional Information : (multiple lines) 13. More Information Primary Data Center : https://geodesy.noaa.gov/corsdata/ Secondary Data Center : URL for More Information : https://geodesy.noaa.gov/CORS Hardcopy on File Site Map : http://www.cors.us/Map/SensorMap.aspx 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 https://files.igs.org/pub/station/general/antenna.gra