WVTA00USA 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) : Francine Coloma Date Prepared : 2023-12-07 Report Type : UPDATE If Update: Previous Site Log : wvta_20230420.log Modified/Added Sections : 3.4, 3.5 1. Site Identification of the GNSS Monument Site Name : Terra Alta Four Character ID : WVTA Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : ALUMINUM MAST Height of the Monument : 7.3m Monument Foundation : Concrete pillar Foundation Depth : 2.2m Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2010-08-07T00:00Z 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 tapered 8 : to 6" dia aluminum pipe 10 feet long, with the : 8" end welded to a 3/8" baseplate. The mast : baseplate is secured to concrete pillar 30 inch : in diameter and 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 6" diameter tapered mast top. The : mast base plate is anchored to the concrete : piller by means of four, 1-5/8" galvanized steel : nuts with washers affixed to to four 7/8" : threaded anchors, welded to the concrete pillar : rebar cage. The cage is constructed of 5/8" : diameter reinforcing bar. The aluminum mast : gussetts are four, 3/8" thick triangular plates : welded to the mast and extending 3.5 feet above : the base plate. 2. Site Location Information City or Town : Terra Alta State or Province : West Virginia Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 897748.367 Y coordinate (m) : -4850768.480 Z coordinate (m) : 4030447.063 Latitude (N is +) : +392616.67 Longitude (E is +) : -0793052.97 Elevation (m,ellips.) : 724.8 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Computed in June 2012 using 17 days of data. 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4922K62083 Firmware Version : 4.45 Elevation Cutoff Setting : 0 deg Date Installed : 2010-08-07 Date Removed : 2017-04-05T15:00Z Temperature Stabiliz. : 20 +/-3 Additional Information : Receiver change 3.2 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4922K62053 Firmware Version : 4.87 Elevation Cutoff Setting : 0 deg Date Installed : 2017-04-05T16:00Z Date Removed : 2019-01-08T22:20Z Temperature Stabiliz. : 20 +/-3 Additional Information : (multiple lines) 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4922K62119 Firmware Version : 48.01 Elevation Cutoff Setting : 0 deg Date Installed : 2019-01-11T16:43Z Date Removed : 2023-04-20T15:00Z Temperature Stabiliz. : 20 +/-3 Additional Information : new receiver 3.4 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6148R40014 Firmware Version : 6.15/5.55 Elevation Cutoff Setting : 0 deg Date Installed : 2023-04-20T15:00Z Date Removed : 2023-12-07T16:43Z Temperature Stabiliz. : 20 +/-3 Additional Information : Firmware update 3.5 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6148R40014 Firmware Version : 6.21/5.61 Elevation Cutoff Setting : 0 deg Date Installed : 2023-12-07T17:19Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : 20 +/-3 Additional Information : (multiple lines) 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 : 1440921104 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 : LMR400 + RG213 Antenna Cable Length : 23 m Date Installed : 2010-08-07 Date Removed : 2019-01-08T22:20Z Additional Information : (multiple lines) 4.2 Antenna Type : TRM57971.00 NONE Serial Number : 30963142 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 : LMR400 + RG213 Antenna Cable Length : 23 m Date Installed : 2019-01-11T16:43Z Date Removed : 2023-04-20T15:00Z Additional Information : new antenna 4.3 Antenna Type : TRM115000.00 NONE Serial Number : 61423G0041 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 : LMR400 + RG213 Antenna Cable Length : 23 m Date Installed : 2023-04-20T15:00Z 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.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 : 2010-08-07/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 : 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) 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 : (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