The NGS Data Sheet
See file dsdata.pdf for more information about the datasheet.
PROGRAM = datasheet95, VERSION = 8.12.5.19
Starting Datasheet Retrieval...
1 National Geodetic Survey, Retrieval Date = FEBRUARY 20, 2025 04:34:59 EST
DI2224 ***********************************************************************
DI2224 CORS - This is a GPS Continuously Operating Reference Station.
DI2224 DESIGNATION - ALDOT 2 DIV OFF CORS ARP
DI2224 CORS_ID - AL20
DI2224 PID - DI2224
DI2224 STATE/COUNTY- AL/COLBERT
DI2224 COUNTRY - US
DI2224 USGS QUAD - TUSCUMBIA (2018)
DI2224
DI2224 *CURRENT SURVEY CONTROL
DI2224 ______________________________________________________________________
DI2224* NAD 83(2011) POSITION- 34 42 37.12917(N) 087 39 45.73610(W) ADJUSTED
DI2224* NAD 83(2011) ELLIP HT- 133.179 (meters) (06/??/19) ADJUSTED
DI2224* NAD 83(2011) EPOCH - 2010.00
DI2224* NAVD 88 ORTHO HEIGHT - 160.213 (meters) 525.63 (feet) ADJUSTED
DI2224 ______________________________________________________________________
DI2224 GEOID HEIGHT - -27.014 (meters) GEOID18
DI2224 NAD 83(2011) X - 214,061.749 (meters) COMP
DI2224 NAD 83(2011) Y - -5,244,536.063 (meters) COMP
DI2224 NAD 83(2011) Z - 3,611,571.005 (meters) COMP
DI2224 VERT ORDER - SECOND CLASS I
DI2224
DI2224 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DI2224 Standards:
DI2224 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DI2224 Horiz Ellip SD_N SD_E SD_h (unitless)
DI2224 -------------------------------------------------------------------
DI2224 NETWORK 0.16 0.48 0.06 0.07 0.24 -0.03837200
DI2224 -------------------------------------------------------------------
DI2224
DI2224.The coordinates were established by GPS observations
DI2224.and adjusted by the National Geodetic Survey in June 2019.
DI2224
DI2224.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DI2224.been affixed to the stable North American Tectonic Plate.
DI2224
DI2224.The coordinates are valid at the epoch date displayed above
DI2224.which is a decimal equivalence of Year/Month/Day.
DI2224
DI2224.Due to the release of the International GNSS Service (IGS) 2014
DI2224.realization of the International Terrestrial Reference Frame of 2014
DI2224.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DI2224.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DI2224.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DI2224.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DI2224.currently published epoch of 2010.00.
DI2224
DI2224.Additional information on MYCS2 is available at
DI2224.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DI2224
DI2224.The orthometric height was determined by differential leveling and
DI2224.adjusted by the NATIONAL GEODETIC SURVEY
DI2224.in February 2008.
DI2224
DI2224.No vertical observational check was made to the station.
DI2224
DI2224.Significant digits in the geoid height do not necessarily reflect accuracy.
DI2224.GEOID18 height accuracy estimate available here.
DI2224
DI2224.The PID for the CORS L1 Phase Center is DI2225.
DI2224
DI2224.Click photographs - Photos may exist for this station.
DI2224
DI2224.The XYZ, and position/ellipsoidal ht. are equivalent.
DI2224
DI2224.The ellipsoidal height was determined by GPS observations
DI2224.and is referenced to NAD 83.
DI2224
DI2224. The following values were computed from the NAD 83(2011) position.
DI2224
DI2224; North East Units Scale Factor Converg.
DI2224;SPC AL W - 522,319.529 585,095.837 MT 0.99993607 -0 05 33.5
DI2224;UTM 16 - 3,841,118.567 439,314.292 MT 0.99964539 -0 22 38.5
DI2224
DI2224! - Elev Factor x Scale Factor = Combined Factor
DI2224!SPC AL W - 0.99997910 x 0.99993607 = 0.99991517
DI2224!UTM 16 - 0.99997910 x 0.99964539 = 0.99962449
DI2224
DI2224_U.S. NATIONAL GRID SPATIAL ADDRESS: 16SDD3931441118(NAD 83)
DI2224
DI2224 SUPERSEDED SURVEY CONTROL
DI2224
DI2224 NAD 83(2011)- 34 42 37.12915(N) 087 39 45.73609(W) AD(2010.00) c
DI2224 ELLIP H (08/??/11) 133.182 (m) GP(2010.00) c c
DI2224 NAD 83(CORS)- 34 42 37.12938(N) 087 39 45.73666(W) AD(2002.00) c
DI2224 ELLIP H (11/??/06) 133.183 (m) GP(2002.00) c c
DI2224
DI2224.Superseded values are not recommended for survey control.
DI2224
DI2224.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DI2224.See file dsdata.pdf to determine how the superseded data were derived.
DI2224
DI2224_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DI2224_MAGNETIC: N = NO MAGNETIC MATERIAL
DI2224
DI2224 STATION DESCRIPTION
DI2224
DI2224'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
DI2224'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DI2224'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DI2224'ACCESSIBLE AT THE WORLDWIDE WEB.
DI2224'https://geodesy.noaa.gov/CORS/data.shtml
DI2224'https://geodesy.noaa.gov/CORS
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