TXDA00USA Site Information Form TXDOTD 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 Date Prepared : 2023-08-01 Report Type : UPDATE If Update: Previous Site Log : txda_20221109.log Modified/Added Sections : 3.16 1. Site Identification of the GNSS Monument Site Name : Dallas Four Character ID : TXDA Monument Inscription : Top of Building IERS DOMES Number : 49514M001 CDP Number : (A4) Monument Description : Stell mast Height of the Monument : 0 m Monument Foundation : Roof Foundation Depth : 10 m Marker Description : Stand pile Date Installed : 2003-07-07T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : METAMORPHIC Bedrock Condition : 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 : (multiple lines) 2. Site Location Information City or Town : Dallas State or Province : Texas Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : -623612.103 Y coordinate (m) : -5330303.210 Z coordinate (m) : 3435421.100 Latitude (N is +) : +324759.95 Longitude (E is +) : -0964022.49 Elevation (m,ellips.) : 160.6 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Computed in Sep 2014 using 84 days of data. 3. GNSS Receiver Information 3.1 Receiver Type : LEICA SR530 Satellite System : GPS Serial Number : 82069 Firmware Version : 4.20 Elevation Cutoff Setting : 10 Date Installed : 2003-07-07 Date Removed : 2007-05-25 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Elevation mask changed. 3.2 Receiver Type : LEICA SR530 Satellite System : GPS Serial Number : 82069 Firmware Version : 4.20 Elevation Cutoff Setting : 5 Date Installed : 2007-05-25 Date Removed : 2007-11-06 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver replaced. 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4725K06352 Firmware Version : 3.50 Elevation Cutoff Setting : 5 Date Installed : 2007-11-06 Date Removed : 2012-07-20 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware upgrade : 2012-AUG-10 fix receiver serial no. 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4725K06352 Firmware Version : 4.48 Elevation Cutoff Setting : 5 Date Installed : 2012-07-20 Date Removed : 2014-05-22T14:05Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Firmware update 3.5 Receiver Type : TRIMBLE NETR5 Satellite System : GPS Serial Number : 4725K06352 Firmware Version : 4.85 Elevation Cutoff Setting : 5 deg Date Installed : 2014-05-22T14:19Z Date Removed : 2015-04-02T15:23Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver change 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5310K42298 Firmware Version : 4.93 Elevation Cutoff Setting : 5 deg Date Installed : 2015-04-02T15:27Z Date Removed : 2015-12-03T19:20Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : Receiver replaced 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5248K54169 Firmware Version : 5.10 Elevation Cutoff Setting : 5 deg Date Installed : 2015-12-03T19:27Z Date Removed : 2017-01-03T16:07Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5248K54169 Firmware Version : 5.20 Elevation Cutoff Setting : 5 deg Date Installed : 2017-01-03T16:07Z Date Removed : 2017-09-02T02:13Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5248K54169 Firmware Version : 5.30 Elevation Cutoff Setting : 5 deg Date Installed : 2017-09-02T02:13Z Date Removed : 2019-02-09 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.10 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5248K54169 Firmware Version : 5.37 Elevation Cutoff Setting : 5 deg Date Installed : 2019-02-09 Date Removed : 2019-10-20 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.11 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5248K54169 Firmware Version : 5.43 Elevation Cutoff Setting : 5 deg Date Installed : 2019-10-20 Date Removed : 2020-01-17 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.12 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5248K54169 Firmware Version : 5.44 Elevation Cutoff Setting : 5 deg Date Installed : 2020-01-17 Date Removed : 2020-07-16T00:38Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.13 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5248K54169 Firmware Version : 5.45 Elevation Cutoff Setting : 5 deg Date Installed : 2020-07-16T00:38Z Date Removed : 2022-04-13T16:05Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 3.14 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO Serial Number : 6112R40050 Firmware Version : 5.44 Elevation Cutoff Setting : 5 deg Date Installed : 2022-04-13T16:05Z Date Removed : 2022-10-27T12:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 3.15 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO Serial Number : 6112R40050 Firmware Version : 6.14/5.54 Elevation Cutoff Setting : 5 deg Date Installed : 2022-10-27T12:00Z Date Removed : 2023-07-28 Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new firmware 3.16 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO Serial Number : 6112R40050 Firmware Version : 6.16/5.56 Elevation Cutoff Setting : 5 deg Date Installed : 2023-07-28 Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) 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 : LEIAT504 LEIS Serial Number : 1147 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 : Magnetic north. DEC=+4.9 deg by DoD GEOMAG : software and World Magnetic Model 2000-2005. Antenna Radome Type : LEIS Radome Serial Number : Antenna Cable Type : LMR 400 Antenna Cable Length : 15 Date Installed : 2003-07-07 Date Removed : 2007-11-06 Additional Information : Corrected invalid format ecc N and E 4.2 Antenna Type : TRM55971.00 NONE Serial Number : 30518884 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 : Magnetic north. DEC=+4.9 deg by DoD GEOMAG : software and World Magnetic Model 2000-2005. Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : LMR 400 Antenna Cable Length : 15 Date Installed : 2007-11-06 Date Removed : 2015-04-02T15:23Z Additional Information : Antenna change 4.3 Antenna Type : TRM57971.00 NONE Serial Number : 5000120246 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 : LMR 400 Antenna Cable Length : 60 ft Date Installed : 2015-04-02T15:27Z Date Removed : 2015-04-22T16:55Z Additional Information : (multiple lines) 4.4 Antenna Type : TRM59800.00 NONE Serial Number : 4804A44390 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 : 180 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : LMR 400 Antenna Cable Length : 60 ft Date Installed : 2015-04-22T16:55Z Date Removed : 2015-04-27T18:00Z Additional Information : Antenna re-oriented to True North 4.5 Antenna Type : TRM59800.00 NONE Serial Number : 4804A44390 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 : LMR 400 Antenna Cable Length : 60 ft Date Installed : 2015-04-27T22:00Z Date Removed : 2015-05-15T17:59Z Additional Information : Antenna change 4.6 Antenna Type : TRM57971.00 NONE Serial Number : 5000120246 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 : LMR 400 Antenna Cable Length : 60 ft Date Installed : 2015-05-15T18:15Z Date Removed : 2015-09-21T15:04Z Additional Information : Antenna change 4.7 Antenna Type : TRM59900.00 NONE Serial Number : 5533362120 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 : LMR 400 Antenna Cable Length : 60 ft Date Installed : 2015-09-21T15:06Z Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 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 : 2003-07-07/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