GTAC Site Information Form
ALDOT Continuously Operating Reference Station
See Instructions at:
ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt
0. Form
Prepared by (full name) : cors-adm
Date Prepared : 2015-03-24
Report Type : UPDATE
If Update:
Previous Site Log : gtac_20141202.log
Modified/Added Sections : 1 2
1. Site Identification of the GNSS Monument
Site Name : SPACE CAMP COOP
Four Character ID : GTAC
Monument Inscription :
IERS DOMES Number : (A9)
CDP Number : (A4)
Monument Description : STEEL MAST
Height of the Monument : 212 m
Monument Foundation : ROOF
Foundation Depth : (m)
Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc)
Date Installed : 2003-10-07T00:00Z
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 : (YES/NO/Name of the zone)
Distance/activity : (multiple lines)
Additional Information : (multiple lines)
2. Site Location Information
City or Town : Huntsville
State or Province : Alabama
Country : United States
Tectonic Plate : North American
Approximate Position (ITRF)
X coordinate (m) : 306408.232
Y coordinate (m) : -5239953.249
Z coordinate (m) : 3611674.013
Latitude (N is +) : +344239.85
Longitude (E is +) : -0863912.31
Elevation (m,ellips.) : 193.0
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 RS500
Satellite System : GPS
Serial Number : 82105
Firmware Version : 4.01
Elevation Cutoff Setting : (deg)
Date Installed : 2003-10-07
Date Removed : 2009-10-08
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Replaced receiver.
3.2 Receiver Type : LEICA GRX1200GGPRO
Satellite System : GPS+GLO
Serial Number : 462573
Firmware Version : 7.53
Elevation Cutoff Setting : 0 deg
Date Installed : 2009-10-08
Date Removed : 2010-02-22T04:00Z
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Firmware update.
3.3 Receiver Type : LEICA GRX1200GGPRO
Satellite System : GPS+GLO
Serial Number : 462573
Firmware Version : 7.80
Elevation Cutoff Setting : 0 deg
Date Installed : 2010-02-22T04:24Z
Date Removed : 2010-02-24T16:00Z
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Replaced receiver.
3.4 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 495486
Firmware Version : 7.80
Elevation Cutoff Setting : 0 deg
Date Installed : 2010-02-24T17:00Z
Date Removed : 2011-10-06
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Firmware update.
3.5 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 495486
Firmware Version : 8.20
Elevation Cutoff Setting : (deg)
Date Installed : 2011-10-06
Date Removed : 2013-02-13T15:00Z
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Firmware Update.
3.6 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 495486
Firmware Version : 8.51
Elevation Cutoff Setting : 0 deg
Date Installed : 2013-02-13T15:25Z
Date Removed : 2014-07-17T13:00Z
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : Firmware Update.
3.7 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 495486
Firmware Version : 8.71
Elevation Cutoff Setting : 0 deg
Date Installed : 2014-07-17T14:02Z
Date Removed : (CCYY-MM-DDThh:mmZ)
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : (multiple lines)
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 : 1296
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 : (deg; + is clockwise/east)
Antenna Radome Type : LEIS
Radome Serial Number :
Antenna Cable Type : (vendor & type number)
Antenna Cable Length : (m)
Date Installed : 2003-10-07
Date Removed : 2009-11-11T15:36Z
Additional Information : Replaced Antenna
4.2 Antenna Type : LEIAR25 LEIT
Serial Number : 09110004
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 : (deg; + is clockwise/east)
Antenna Radome Type : LEIT
Radome Serial Number :
Antenna Cable Type : (vendor & type number)
Antenna Cable Length : (m)
Date Installed : 2009-11-11T18:04Z
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 : 2003-10-07/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 : U.S. Space & Rocket Center
Preferred Abbreviation : USSRC
Mailing Address : One Tranquility Base
: Huntsville, AL 35805
Primary Contact
Contact Name : Chris Johnson
Telephone (primary) : 256-721-7104
Telephone (secondary) : 256-837-3400
Fax : 256-721-7180
E-mail : chrisj@spacecamp.com
Secondary Contact
Contact Name : Larry R. Capps
Telephone (primary) : 256-721-7101
Telephone (secondary) : 256-837-3400
Fax : 256-721-7180
E-mail : larryc@spacecamp.com
Additional Information : (multiple lines)
12. Responsible Agency (if different from 11.)
Agency : Alabama Department of Transportation
Preferred Abbreviation : ALDOT
Mailing Address : 1409 Coliseum Blvd. Montgomery, AL 36130
Primary Contact
Contact Name : Robert Harris
Telephone (primary) : 334-242-6645
Telephone (secondary) : 334-850-1861
Fax : 334-269-4689
E-mail : harrisr@dot.state.al.us
Secondary Contact
Contact Name : John Russell
Telephone (primary) : 334-242-6139
Telephone (secondary) : 334-850-7096
Fax : 334-269-4689
E-mail : russellj@dot.state.al.us
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://igscb.jpl.nasa.gov/pub/station/general/antenna.gra