HGIS Site Information Form AL1730 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 : 2017-04-17 Report Type : UPDATE If Update: Previous Site Log : hgis_20170214.log Modified/Added Sections : 1, 3.8, 4.1 1. Site Identification of the GNSS Monument Site Name : Huntsville GIS Four Character ID : HGIS Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : 2.5 m Monument Foundation : ROOF Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2006-09-01T00:00Z Geologic Characteristic : Bedrock Bedrock Type : Tuscumbia Limestone Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : The building is masonry and its main beams : penetrate 5 feet into bedrock, Tuscumbia : Limestone, and reinforced concrete caissons : 3 feet. The building was erected in 1964 and : has had no inspection discrepancies since then : The antenna mount is a through going pipe that : is cemented in place and has a SECO adaptor : 2072-30 : DECOMMISSIONED 10-APR-2017 2. Site Location Information City or Town : Huntsville State or Province : Alabama Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 312445.726 Y coordinate (m) : -5238504.333 Z coordinate (m) : 3613218.518 Latitude (N is +) : +344341.20 Longitude (E is +) : -0863512.08 Elevation (m,ellips.) : 176.4 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 NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 3.10 Elevation Cutoff Setting : 0 deg Date Installed : 2006-09-01 Date Removed : 2007-12-03 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.2 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 3.50 Elevation Cutoff Setting : 0 deg Date Installed : 2007-12-03 Date Removed : 2009-10-13 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade. 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 4.03 Elevation Cutoff Setting : 0 deg Date Installed : 2009-10-13 Date Removed : 2011-04-18 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 4.41 Elevation Cutoff Setting : 0 deg Date Installed : 2011-04-18 Date Removed : 2013-09-05T16:13Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.5 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 4.70 Elevation Cutoff Setting : 0 deg Date Installed : 2013-09-05T17:00Z Date Removed : 2014-02-27T21:25Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.6 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-02-27T21:30Z Date Removed : 2015-02-23T21:20Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 4.87 Elevation Cutoff Setting : 0 deg Date Installed : 2015-02-23T21:35Z Date Removed : 2017-02-14T18:31Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.8 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4625K01729 Firmware Version : 48.01 Elevation Cutoff Setting : 0 deg Date Installed : 2017-02-14T18:38Z Date Removed : 2017-04-10T15:00Z Temperature Stabiliz. : (none or tolerance in degrees C) 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 : TRM55971.00 NONE Serial Number : 30255800 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 : Trimble P/N 41300-30 Antenna Cable Length : 30m Date Installed : 2006-09-01 Date Removed : 2017-04-10T15:00Z Additional Information : 15-APR-2013 fix blank spaces in first line 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 : 2006-09-01/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 : 2006-09-01/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 : 2006-09-01/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 : 2006-09-01/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 : 2006-09-01/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 : 2006-09-01/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 : 2006-09-01/CCYY-MM-DD Additional Information : (multiple lines) 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : 2006-09-01/CCYY-MM-DD Additional Information : (multiple lines) 9.3.x Signal Obstructions : (TREES/BUILDLINGS/etc) Effective Dates : 2006-09-01/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 : City of Huntsville GIS Dept. Preferred Abbreviation : HGIS Mailing Address : 308 Fountain Circle : Huntsville, AL 35801 Primary Contact Contact Name : Wes Phillips Telephone (primary) : (256)535.1531 Telephone (secondary) : (256)427.5192 Fax : (256)427.5165 E-mail : wesley.phillips@hsvcity.com Secondary Contact Contact Name : Tim Barnes Telephone (primary) : (256)427.5104 Telephone (secondary) : (256)427.5192 Fax : (256)427.5165 E-mail : tim.barnes@hsvcity.com 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 Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : (Y or URL) Additional Information : (multiple lines) Antenna Graphics with Dimensions ftp://www.igs.org/pub/station/general/antenna.gra