OHMD Site Information Form OHDT 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 : 2017-08-02 Report Type : UPDATE If Update: Previous Site Log : ohmd_20150326.log Modified/Added Sections : 1, 3.8, 4.2 1. Site Identification of the GNSS Monument Site Name : Madison County Four Character ID : OHMD Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : (m) Monument Foundation : ROOF Foundation Depth : (m) Marker Description : Stainless Steel bolt Date Installed : 2006-08-23T00:00Z 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 : No Distance/activity : (multiple line Additional Information : The GPS reference mark consist of a 3" Sch 40 : steel conduit 5 feet long that is permenantly : anchored to a concrete block building. Weleded : to this mast is a stainless steel forced : centering bolt with locking nuts.The mast is : permenantly anchored to the building by means : of unistrut clamps and qty of 6 - 1/2 inch : concrete anchor bolts. : Mast is located on a building that was built : in approx 1970 with standard 36" deep footers : 02-AUG-2017 site DECOMMISSIONED, facility : abandoned 2. Site Location Information City or Town : London State or Province : Ohio Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 556675.239 Y coordinate (m) : -4870159.176 Z coordinate (m) : 4067508.443 Latitude (N is +) : +395228.83 Longitude (E is +) : -0832845.13 Elevation (m,ellips.) : 300.1 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 NETRS Satellite System : GPS Serial Number : 4439239132 Firmware Version : 1.1-5 Elevation Cutoff Setting : 5 deg Date Installed : 2006-08-23 Date Removed : 2007-04-03 Temperature Stabiliz. : none Additional Information : Receiver replaced. 3.2 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4704K04033 Firmware Version : 3.30 Elevation Cutoff Setting : 5 deg Date Installed : 2007-04-03 Date Removed : 2007-08-23 Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4704K04033 Firmware Version : 3.50 Elevation Cutoff Setting : 5 deg Date Installed : 2007-08-23 Date Removed : 2008-07-09 Temperature Stabiliz. : none Additional Information : Receiver replaced. 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4740K10689 Firmware Version : 3.51 Elevation Cutoff Setting : 5 deg Date Installed : 2008-07-09 Date Removed : 2009-07-30 Temperature Stabiliz. : Additional Information : FIRMWAE UPDATE 3.5 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4740K10689 Firmware Version : 4.03 Elevation Cutoff Setting : 5 deg Date Installed : 2009-07-30 Date Removed : 2009-09-02 Temperature Stabiliz. : Additional Information : Receiver change 3.6 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4350230201 Firmware Version : 1.1-5 Elevation Cutoff Setting : 5 deg Date Installed : 2009-09-02 Date Removed : 2011-01-25 Temperature Stabiliz. : Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5049K72317 Firmware Version : 4.17 Elevation Cutoff Setting : 5 deg Date Installed : 2011-01-25 Date Removed : 2012-08-23 Temperature Stabiliz. : Additional Information : Receiver replaced 3.8 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4838K58501 Firmware Version : 4.42 Elevation Cutoff Setting : 5 deg Date Installed : 2012-08-23 Date Removed : 2017-08-02T13:00Z Temperature Stabiliz. : Additional Information : SITE DECOMMISSIONED 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 : TRM41249.00 NONE Serial Number : 12652472 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 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Times Microwave LMR 400 Antenna Cable Length : 10 M Date Installed : 2006-08-23 Date Removed : 2007-04-03 Additional Information : Antenna replaced. 4.2 Antenna Type : TRM55971.00 NONE Serial Number : 30206030 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 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Times Microwave LMR 400 Antenna Cable Length : 10 M Date Installed : 2007-04-03 Date Removed : 2017-08-02T13:00Z Additional Information : SITE DECOMMISSIONED 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 : 2006-08-23/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 7.1 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 : Ohio Department of Transportation Preferred Abbreviation : ODOT Mailing Address : Ohio Department of Transportation : Office of Aerial Engineering : 1602 W Broad St. : Columbus, Ohio 43223 Primary Contact Contact Name : David J. Beiter Transportation Engineer Telephone (primary) : 614-275-1372 Telephone (secondary) : Fax : 614-275-1673 E-mail : dave.beiter@dot.state.oh.us Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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