COVX Site Information Form ESRL Continuously Operating Reference Station See Instructions at: ftp://www.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Francine Coloma Date Prepared : 2017-01-30 Report Type : UPDATE If Update: Previous Site Log : covx_20150929.log Modified/Added Sections : 1, 3.3, 4.1, 4.2 1. Site Identification of the GNSS Monument Site Name : Chesapeake Light Four Character ID : COVX Monument Inscription : IERS DOMES Number : 49676S001 CDP Number : (A4) Monument Description : (PILLAR/BRASS PLATE/STEEL MAST/etc) 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 : 2001-05-23T00:00Z Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/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 : Added DOMES Number 30-JAN-2017 site decommissioned FSC 2. Site Location Information City or Town : Chesapeake Light State or Province : Virginia Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 1260167.696 Y coordinate (m) : -4948417.277 Z coordinate (m) : 3808934.804 Latitude (N is +) : +365416.68 Longitude (E is +) : -0754245.72 Elevation (m,ellips.) : -1.1 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Computed in Aug 2011 using data through gpswk : 1631. 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE 4700 Satellite System : GPS Serial Number : 0220216173 Firmware Version : 1.37 Elevation Cutoff Setting : (deg) Date Installed : 2001-05-23 Date Removed : 2011-06-09T14:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver upgrade. 3.2 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5051K72750 Firmware Version : 4.41 Elevation Cutoff Setting : 0 deg Date Installed : 2011-06-09T14:00Z Date Removed : 2015-09-15T21:20Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : 18-SEP-2015 FSC update elevation mask from : 7-deg to 0-deg as per GS request 3.3 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5051K72750 Firmware Version : 5.03 Elevation Cutoff Setting : 0 deg Date Installed : 2015-09-15T21:20Z Date Removed : 2016-11-16T14:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Site removed 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 : TRM33429.20+GP NONE Serial Number : 0220226004 Antenna Reference Point : BPA 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 Antenna Radome Type : NONE Radome Serial Number : (A4 from rcvr_ant.tab; see instructions) Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2001-05-23 Date Removed : 2011-06-09T14:00Z Additional Information : Antenna upgrade. : 30-JAN-2017 FSC add NONE 1st and 8th line 4.2 Antenna Type : TRM57971.00 NONE Serial Number : 1441107342 Antenna Reference Point : BPA 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 : (deg; + is clockwise/east) Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2011-06-09T14:00Z Date Removed : 2016-11-16T14:00Z Additional Information : Antenna model misidentified in log on 11/08/11. : Antenna model entry corrected on 11/17/11. : Site removed 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 : 2001-05-23/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 8.1.1 Humidity Sensor Model : Temp./RH probe (Model CS500) Manufacturer : Campbell Scientfic Serial Number : Data Sampling Interval : 15 seconds Accuracy (% rel h) : 10-90% +/- 3.0% 90-100% +/- 6.0% Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : 2001-05-23/ Notes : (multiple lines) 8.1.2 Humidity Sensor Model : WXT520 Manufacturer : Vaisala Serial Number : Data Sampling Interval : Accuracy (% rel h) : Aspiration : Height Diff to Ant : -4 m (MET above GPS) Calibration date : (CCYY-MM-DD) Effective Dates : 2011-06-09T14:00Z 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 : PTB100B Manufacturer : Vaisala Serial Number : Data Sampling Interval : 15 seconds Accuracy : +/-0.3 Height Diff to Ant : 3.94 m Calibration date : (CCYY-MM-DD) Effective Dates : 2001-05-23/ Notes : (multiple lines) 8.2.2 Pressure Sensor Model : WXT520 Manufacturer : Vaisala Serial Number : Data Sampling Interval : Accuracy : Height Diff to Ant : -4 m Calibration date : (CCYY-MM-DD) Effective Dates : 2011-06-09T14:00Z 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 : Temp./RH probe Model CS500 Manufacturer : Campbell Scientific Serial Number : Data Sampling Interval : 15 seconds Accuracy : +/-1.5@-40C +/-0.5@0C +/-0.8@60C Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : 2001-05-23/ Notes : (multiple lines) 8.3.2 Temp. Sensor Model : WXT520 Manufacturer : Vaisala Serial Number : E2850016 Data Sampling Interval : Accuracy : Aspiration : Height Diff to Ant : -4 m Calibration date : (CCYY-MM-DD) Effective Dates : 2011-06-09T14:00Z 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) 8.5.1 Other Instrumentation : NOAA 404 MHz Doppler Radar Wind Profiler 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 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.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/BUILDLINGS/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 : NOAA, Earth System Research Laboratory Preferred Abbreviation : ESRL Mailing Address : 325 Broadway R/E/FS3 : Boulder, CO 80303 Primary Contact Contact Name : Ken Rutledge Telephone (primary) : 757-827-4643 Telephone (secondary) : Fax : 757-825-8659 E-mail : c.k.rutledge@LaRC.NASA.GOV Secondary Contact Contact Name : Seth I. Gutman Telephone (primary) : 303-497-7031 Telephone (secondary) : 303-497-6200 Fax : 303-497-6014 E-mail : seth.i.gutman@noaa.gov Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : (multiple lines) Preferred Abbreviation : (A10) Mailing Address : (multiple lines) 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 : ftp://geodesy.noaa.gov/cors Secondary Data Center : ftp://alt.ngs.noaa.gov/cors URL for More Information : http://geodesy.noaa.gov/CORS 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 ftp://www.igs.org/pub/station/general/antenna.gra