R301 Site Information Form MECOPW Continuously Operating Reference Station See Instructions at: ftp://www.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Don Haw Date Prepared : 2021-06-02 Report Type : UPDATE If Update: Previous Site Log : r301_20210218.log Modified/Added Sections : 3.13 1. Site Identification of the GNSS Monument Site Name : CRAWFORD Four Character ID : R301 Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : REINFORCED CONCRETE PILLAR W/STEEL MAST Height of the Monument : 2.44 m Monument Foundation : REINFORCED CONCRETE Foundation Depth : 2.70 m Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 2008-09-04T00:00Z Geologic Characteristic : CONGLOMERATE 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 - Black Canyon of the Gunnison (?) (see Map) Distance/activity : 10+ miles southwest/no known activity Additional Information : (multiple lines) 2. Site Location Information City or Town : Crawford State or Province : Colorado Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -1507714.526 Y coordinate (m) : -4755525.201 Z coordinate (m) : 3963883.643 Latitude (N is +) : +383923.76 Longitude (E is +) : -1073527.41 Elevation (m,ellips.) : 2024.1 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 NETR5 Satellite System : GPS+GLO Serial Number : 4740K10760 Firmware Version : 3.50 Elevation Cutoff Setting : 5 deg Date Installed : 2008-12-18 Date Removed : 2009-09-13T02:10Z Temperature Stabiliz. : none Additional Information : main board failure 3.2 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4740K10760 Firmware Version : 4.05 Elevation Cutoff Setting : 5 deg Date Installed : 2009-12-04T18:50Z Date Removed : 2010-01-20T23:15Z Temperature Stabiliz. : none Additional Information : New board, receiver was not replaced : new firmware 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4740K10760 Firmware Version : 4.05/3.61 Elevation Cutoff Setting : 5 deg Date Installed : 2010-01-20T23:15Z Date Removed : 2013-06-02T00:00Z Temperature Stabiliz. : none Additional Information : new firmware 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4740K10760 Firmware Version : 3.50 Elevation Cutoff Setting : 5 deg Date Installed : 2013-06-02T00:00Z Date Removed : 2013-09-27T00:00Z Temperature Stabiliz. : none Additional Information : firmware change 3.5 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4740K10760 Firmware Version : 4.05/3.61 Elevation Cutoff Setting : 5 deg Date Installed : 2013-09-27T00:00Z Date Removed : 2015-06-11T15:33Z Temperature Stabiliz. : none Additional Information : new firmware 3.6 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4740K10760 Firmware Version : 4.87/4.18 Elevation Cutoff Setting : 5 deg Date Installed : 2015-06-11T15:33Z Date Removed : 2015-09-21T18:19Z Temperature Stabiliz. : none Additional Information : new firmware 3.7 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4811K54286 Firmware Version : 4.70/4.18 Elevation Cutoff Setting : 5 deg Date Installed : 2015-09-30T13:15Z Date Removed : 2015-10-08T16:30Z Temperature Stabiliz. : none Additional Information : new receiver 3.8 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4811K54286 Firmware Version : 5.10/5.02 Elevation Cutoff Setting : 5 deg Date Installed : 2015-10-28T16:30Z Date Removed : 2016-01-25T16:31Z Temperature Stabiliz. : none Additional Information : new firmware 3.9 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4811K54286 Firmware Version : 4.87/4.18 Elevation Cutoff Setting : 5 deg Date Installed : 2016-01-25T16:31Z Date Removed : 2016-08-09T14:31Z Temperature Stabiliz. : none Additional Information : new firmware 3.10 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4811K54286 Firmware Version : 4.87/4.87 Elevation Cutoff Setting : 5 deg Date Installed : 2016-08-09T14:31Z Date Removed : 2019-03-13 Temperature Stabiliz. : none Additional Information : new firmware 3.11 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4811K54286 Firmware Version : 48.01 Elevation Cutoff Setting : 5 deg Date Installed : 2019-03-13 Date Removed : 2021-02-10T21:52Z Temperature Stabiliz. : none Additional Information : new firmware 3.12 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO Serial Number : 6047R40011 Firmware Version : 5.44 Elevation Cutoff Setting : 5 deg Date Installed : 2021-02-10T21:52Z Date Removed : 2021-05-14T16:44Z Temperature Stabiliz. : none Additional Information : new receiver 3.13 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO Serial Number : 6047R40011 Firmware Version : 6.10 Elevation Cutoff Setting : 5 deg Date Installed : 2021-05-14T16:44Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : none Additional Information : new firmware 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 : 30520306 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 : 0.0000 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : TRM LMR400 Antenna Cable Length : 30.48 m Date Installed : 2008-12-18 Date Removed : 2021-02-10T21:52Z Additional Information : (multiple lines) 4.2 Antenna Type : TRM115000.00 NONE Serial Number : 60413G0066 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 : 0.0000 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : TRM LMR400 Antenna Cable Length : 30.48 m Date Installed : 2021-02-10T21:52Z 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 : 2008-12-18/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 Status : PERMANENT Effective Dates : 2008-12-18/CCYY-MM-DD Notes : 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.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.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.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.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) 9.2.1 Multipath Sources : METAL ROOF Effective Dates : 2008-12-18/2023-12-18 Additional Information : Maintenance Barn with Metal Roof westerly of : antenna 43.7 meters, peak of roof at : approximate 04 degrees vertical from antenna. 9.2.2 Multipath Sources : Power line Effective Dates : 2008-12-18/2023-12-18 Additional Information : Power line easterly of antenna 23.0 meters and : at approximate 01 degrees vertical from antenna. 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.3 Multipath Sources : Truck Sand Bed Rack Effective Dates : 2008-12-18/2023-12-18 Additional Information : Rack westerly of antenna 22.6 meters, top of : rack at approximate 06 degrees vertical from : antenna. 9.2.4 Multipath Sources : Security Fence Effective Dates : 2008-12-18/2023-12-18 Additional Information : Security fence south of antenna 3.15 meters and : at approximate 00 degrees vertical from antenna : to top of fence and east of antenna 22.5 meters : and at approximate -01 degrees vertical from : antenna to top of fence. 9.3.1 Signal Obstructions : TREE Effective Dates : 2008-12-18/2023-12-18 Additional Information : Slow growing cedar tree northerly (N 20 degrees : E) of antenna 8.4 meters, top of tree at : approximate 15 degrees vertical from antenna. 9.3.2 Signal Obstructions : Mountains Effective Dates : 2008-12-18/2023-12-18 Additional Information : Mountain range to north, peaks at 05 degrees : vertical; east, peaks at 06 degrees vertical; : south, peaks at 03 degrees vertical; west, : peaks at 04 degrees vertical. 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 : Colorado Department of Transportation, : Region 3, Right of Way/Survey Preferred Abbreviation : CDOT R3 Mailing Address : 222 South 6th Street : Grand Junction, Colorado 81501 Primary Contact Contact Name : Les Doehling Telephone (primary) : 970-683-6234 Telephone (secondary) : 970-216-1561 Fax : 970-683-6249 E-mail : leslie.doehling@dot.state.co.us Secondary Contact Contact Name : Jon Kobylarz Telephone (primary) : 970-683-6236 Telephone (secondary) : 970-812-7770 Fax : 970-683-6249 E-mail : jonathan.kobylarz@state.co.us Additional Information : Monument located at CDOT Crawford maintenance : site, 80088 Hwy 92, Crawford, Co 81415 12. Responsible Agency (if different from 11.) Agency : Mesa County Dept Pub Work Preferred Abbreviation : MECOPW Mailing Address : 750 Main St. : Grand Junction, Colorado 81501 Primary Contact Contact Name : Frank Kochevar Telephone (primary) : 970-244-1826 Telephone (secondary) : Fax : E-mail : frank.kochevar@mesacounty.us 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 : Y Site Diagram : (Y or URL) Horizon Mask : (Y or URL) 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