AL6200USA Site Information Form ALDOT 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 : 2023-08-04 Report Type : UPDATE If Update: Previous Site Log : al62_20230707.log Modified/Added Sections : 3.13 1. Site Identification of the GNSS Monument Site Name : ALDOT 6 DIV DIS 2 Four Character ID : AL62 Monument Inscription : IERS DOMES Number : (A9) CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : 4 m Monument Foundation : Building is constructed of block with : 6" concrete slab with 4' block footings : filled with reinforced concrete. : It was built in 1982. Foundation Depth : 1.2 m Marker Description : Date Installed : 2008-10-02T00:00Z Geologic Characteristic : Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENATRY) 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 antenna is mounted on a 3"x3"x3/8" : steel plate welded to 9' V2 mount, : which is made of 2" metal tubing : (3/8" thick). The mount has 4 horizontal : braces made with Flat Bar. These braces : have diagonal braces (one per side) made : of the same Flat Bar. The mount is : fastened to a block (8"x8"x16") wall : with six-5/8"x6" Wedge Anchors with : flat washers, lock washers and double : nutted. Antenna is attached with a : SECO leveling mount. 2. Site Location Information City or Town : Union Springs State or Province : Alabama Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 406538.659 Y coordinate (m) : -5390144.121 Z coordinate (m) : 3374427.550 Latitude (N is +) : +320853.37 Longitude (E is +) : -0854112.37 Elevation (m,ellips.) : 140.8 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 : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355953 Firmware Version : 7.80 Elevation Cutoff Setting : 0 Date Installed : 2008-10-02 Date Removed : 2011-09-01 Temperature Stabiliz. : none Additional Information : Firmware update. 3.2 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355953 Firmware Version : 8.20 Elevation Cutoff Setting : 0 Date Installed : 2011-09-01 Date Removed : 2012-01-25 Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 350556 Firmware Version : 8.20 Elevation Cutoff Setting : 0 Date Installed : 2012-01-25 Date Removed : 2012-07-24 Temperature Stabiliz. : none Additional Information : Had to replace receiver. 3.4 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355497 Firmware Version : 8.51 Elevation Cutoff Setting : 0 Date Installed : 2012-07-24 Date Removed : 2014-07-21T18:30Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355497 Firmware Version : 8.71 Elevation Cutoff Setting : 0 Date Installed : 2014-07-21T19:07Z Date Removed : 2016-12-07T17:00Z Temperature Stabiliz. : none Additional Information : Firmware update. 3.6 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355497 Firmware Version : 9.20/3.823 Elevation Cutoff Setting : 0 Date Installed : 2016-12-07T17:22Z Date Removed : 2018-05-24T16:30Z Temperature Stabiliz. : none Additional Information : Lightning strike. : receiver and ethernet cable ruined 3.7 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 355592 Firmware Version : 9.20/3.823 Elevation Cutoff Setting : 0 Date Installed : 2018-05-24T18:00Z Date Removed : 2020-09-28T00:00Z Temperature Stabiliz. : none Additional Information : new receiver. New ethernet cable : installed 2018-06-07 3.8 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 454782 Firmware Version : 9.20/3.823 Elevation Cutoff Setting : 0 Date Installed : 2020-10-06T19:37Z Date Removed : 2021-10-15T04:00Z Temperature Stabiliz. : none Additional Information : new receiver 3.9 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 356152 Firmware Version : 9.20/3.823 Elevation Cutoff Setting : 0 Date Installed : 2021-11-02T18:15Z Date Removed : 2022-08-09T00:00Z Temperature Stabiliz. : none Additional Information : new receiver 3.10 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870876 Firmware Version : 4.31/7.403 Elevation Cutoff Setting : 0 Date Installed : 2022-08-09T00:00Z Date Removed : 2022-09-24T04:09Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 3.11 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870876 Firmware Version : 4.60/7.811 Elevation Cutoff Setting : 0 Date Installed : 2022-09-24T04:09Z Date Removed : 2023-06-27T00:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new firmware 3.12 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 2091103 Firmware Version : 4.61/7.811 Elevation Cutoff Setting : 0 Date Installed : 2023-06-27T00:00Z Date Removed : 2023-07-26T16:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : new receiver 3.13 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870876 Firmware Version : 4.61/7.811 Elevation Cutoff Setting : 0 Date Installed : 2023-07-27T00:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : put back previous 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 : LEIAX1202GG NONE Serial Number : 08090161 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 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Belden Coax 9913 Antenna Cable Length : 18.3 m Date Installed : 2008-10-02 Date Removed : 2022-08-09T00:00Z Additional Information : (multiple lines) 4.2 Antenna Type : LEIAR10 NONE Serial Number : 21248042 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 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Belden Coax 9913 Antenna Cable Length : 18.3 m Date Installed : 2022-08-09T00:00Z 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 : 2008-10-02/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 : Radio Antenna Tower Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : Radio tower on a : 0 degree azimuth at 28 meters away. 9.1.2 Radio Interferences : Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.1.3 Radio Interferences : 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 : Alabama Department of Transportation Preferred Abbreviation : ALDOT Mailing Address : 1409 Coliseum Blvd. Montgomery, AL 36130 Primary Contact Contact Name : John Russell Telephone (primary) : 334-242-6405 Telephone (secondary) : 334-850-1311 Fax : 334-269-4689 E-mail : russellj@dot.state.al.us Secondary Contact Contact Name : Dalton L. Chamblee, P.E. Telephone (primary) : 334-353-6101 Telephone (secondary) : 334-850-4702 Fax : 334-269-4689 E-mail : chambleed@dot.state.al.us Additional Information : 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