TXLE00USA Site Information Form TXDOT Continuously Operating Reference Station See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Don Haw as per Darrell Thames Date Prepared : 2023-04-24 Report Type : UPDATE If Update: Previous Site Log : txle_20200916.log Modified/Added Sections : 3.17, 4.6 1. Site Identification of the GNSS Monument Site Name : Leakey Four Character ID : TXLE Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : STEEL MAST [2.43 m] Height of the Monument : 3.34 m Monument Foundation : Concrete pillar [0.91 m above ground] Foundation Depth : 4.20 m Marker Description : Threaded brass level device insert Date Installed : 2010-09-07T00:00Z 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 lines) Additional Information : UNAVCO square leveling device is utilized 2. Site Location Information City or Town : Leakey State or Province : Texas Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -939787.680 Y coordinate (m) : -5462814.693 Z coordinate (m) : 3145554.038 Latitude (N is +) : +294421.58 Longitude (E is +) : -0994540.50 Elevation (m,ellips.) : 478.4 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+GLO Serial Number : 5018K67265 Firmware Version : 4.03 Elevation Cutoff Setting : 5 deg Date Installed : 2010-09-07 Date Removed : 2011-08-23 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver upgrade. 3.2 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5038K70427 Firmware Version : 4.42 Elevation Cutoff Setting : 5 deg Date Installed : 2011-08-23 Date Removed : 2011-11-16 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver replaced. 3.3 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5118K75524 Firmware Version : 4.22 Elevation Cutoff Setting : 5 deg Date Installed : 2011-11-16 Date Removed : 2012-03-27 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver/firmware upgrade. 3.4 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5207K82167 Firmware Version : 4.43 Elevation Cutoff Setting : 5 deg Date Installed : 2012-03-27 Date Removed : 2012-07-20 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5207K82167 Firmware Version : 4.60 Elevation Cutoff Setting : 5 deg Date Installed : 2012-07-20 Date Removed : 2012-08-29 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver replaced 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5206K82039 Firmware Version : 4.60 Elevation Cutoff Setting : 5 deg Date Installed : 2012-08-29 Date Removed : 2012-12-18 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware updated 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5206K82039 Firmware Version : 4.62 Elevation Cutoff Setting : 5 deg Date Installed : 2012-12-18 Date Removed : 2014-05-21T17:29Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5206K82039 Firmware Version : 4.85 Elevation Cutoff Setting : 5 deg Date Installed : 2014-05-21T17:32Z Date Removed : 2016-04-27T07:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54368 Firmware Version : 5.10 Elevation Cutoff Setting : 5 deg Date Installed : 2016-05-10T16:00Z Date Removed : 2017-01-04T18:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.10 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54368 Firmware Version : 5.20 Elevation Cutoff Setting : 5 deg Date Installed : 2017-01-04T18:00Z Date Removed : 2017-09-03T21:19Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.11 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54368 Firmware Version : 5.30 Elevation Cutoff Setting : 5 deg Date Installed : 2017-09-03T21:19Z Date Removed : 2019-02-09 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.12 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54368 Firmware Version : 5.37 Elevation Cutoff Setting : 5 deg Date Installed : 2019-02-09 Date Removed : 2019-10-19 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.13 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54368 Firmware Version : 5.43 Elevation Cutoff Setting : 5 deg Date Installed : 2019-10-19 Date Removed : 2020-01-17T03:02Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.14 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54368 Firmware Version : 5.44 Elevation Cutoff Setting : 5 deg Date Installed : 2020-01-17T03:02Z Date Removed : 2020-07-16T02:17Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.15 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5249K54368 Firmware Version : 5.45 Elevation Cutoff Setting : 5 deg Date Installed : 2020-07-16T02:17Z Date Removed : 2020-09-03T21:33Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new firmware 3.16 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5502R50153 Firmware Version : 5.45 Elevation Cutoff Setting : 5 deg Date Installed : 2020-09-14T13:47Z Date Removed : 2023-04-15T04:32Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 3.17 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO Serial Number : 6232R40016 Firmware Version : 6.16/5.56 Elevation Cutoff Setting : 5 deg Date Installed : 2023-04-18T14:39Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 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 : 1441015214 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 : Times Microwave Systems LMR 600 Antenna Cable Length : 91.4 m Date Installed : 2010-09-07 Date Removed : 2011-08-23 Additional Information : New antenna installed. 4.2 Antenna Type : TRM57971.00 NONE Serial Number : 1441021364 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 : Times Microwave Systems LMR 600 Antenna Cable Length : 91.4 m Date Installed : 2011-08-23 Date Removed : 2012-03-27 Additional Information : Antenna installed. 4.3 Antenna Type : TRM57971.00 NONE Serial Number : 5311118874 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 : Times Microwave Systems LMR 600 Antenna Cable Length : 91.4 m Date Installed : 2012-03-27 Date Removed : 2012-08-29 Additional Information : Antenna replaced 4.4 Antenna Type : TRM57971.00 NONE Serial Number : 1441116343 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 : Times Microwave Systems LMR 600 Antenna Cable Length : 91.4 m Date Installed : 2012-08-29 Date Removed : 2016-04-27T07:00Z Additional Information : (multiple lines) 4.5 Antenna Type : TRM57971.00 NONE Serial Number : 5000120229 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 : Times Microwave Systems LMR 600 Antenna Cable Length : 91.4 m Date Installed : 2016-05-10T16:00Z Date Removed : 2023-04-15T04:32Z Additional Information : New antenna 4.6 Antenna Type : TRM115000.00 NONE Serial Number : 61123G0048 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 : Times Microwave Systems LMR 600 Antenna Cable Length : 91.4 m Date Installed : 2023-04-18T14:39Z 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 : 2010-09-07/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 : Texas Department of Transportation Preferred Abbreviation : TXDOT Mailing Address : 125 E. 11th Street Austin Texas, 78701 Primary Contact Contact Name : Darrell Thames Telephone (primary) : 512-302-2049 Telephone (secondary) : Fax : 512-465-7668 E-mail : darrell.thames@txdot.gov Secondary Contact Contact Name : Michael Cloud Telephone (primary) : Telephone (secondary) : 512-374-5059 Fax : 512-465-7668 E-mail : michael.cloud@txdot.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 : https://geodesy.noaa.gov/corsdata/ Secondary Data Center : URL for More Information : https://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 https://files.igs.org/pub/station/general/antenna.gra