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 08:30:03 EST
DL9796 ***********************************************************************
DL9796 CORS - This is a GPS Continuously Operating Reference Station.
DL9796 DESIGNATION - ALDOT 8 DIV DIS 4 CORS ARP
DL9796 CORS_ID - AL84
DL9796 PID - DL9796
DL9796 STATE/COUNTY- AL/CLARKE
DL9796 COUNTRY - US
DL9796 USGS QUAD - GROVE HILL (2018)
DL9796
DL9796 *CURRENT SURVEY CONTROL
DL9796 ______________________________________________________________________
DL9796* NAD 83(2011) POSITION- 31 42 01.32767(N) 087 47 20.98257(W) ADJUSTED
DL9796* NAD 83(2011) ELLIP HT- 112.855 (meters) (06/??/22) ADJUSTED
DL9796* NAD 83(2011) EPOCH - 2010.00
DL9796* NAVD 88 ORTHO HEIGHT - 140.589 (meters) 461.25 (feet) ADJUSTED
DL9796 ______________________________________________________________________
DL9796 GEOID HEIGHT - -27.727 (meters) GEOID18
DL9796 NAD 83(2011) X - 209,537.259 (meters) COMP
DL9796 NAD 83(2011) Y - -5,427,643.569 (meters) COMP
DL9796 NAD 83(2011) Z - 3,332,268.971 (meters) COMP
DL9796 VERT ORDER - SECOND CLASS I
DL9796
DL9796 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DL9796 Standards:
DL9796 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DL9796 Horiz Ellip SD_N SD_E SD_h (unitless)
DL9796 -------------------------------------------------------------------
DL9796 NETWORK 0.19 0.42 0.06 0.09 0.21 0.05186000
DL9796 -------------------------------------------------------------------
DL9796
DL9796.The coordinates were established by GPS observations
DL9796.and adjusted by the National Geodetic Survey in June 2022.
DL9796
DL9796.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DL9796.been affixed to the stable North American Tectonic Plate.
DL9796
DL9796.The coordinates are valid at the epoch date displayed above
DL9796.which is a decimal equivalence of Year/Month/Day.
DL9796
DL9796.Due to the release of the International GNSS Service (IGS) 2014
DL9796.realization of the International Terrestrial Reference Frame of 2014
DL9796.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DL9796.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DL9796.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DL9796.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DL9796.currently published epoch of 2010.00.
DL9796
DL9796.Additional information on MYCS2 is available at
DL9796.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DL9796
DL9796.The orthometric height was determined by differential leveling and
DL9796.adjusted by the NATIONAL GEODETIC SURVEY
DL9796.in August 2012.
DL9796
DL9796.No vertical observational check was made to the station.
DL9796
DL9796.Significant digits in the geoid height do not necessarily reflect accuracy.
DL9796.GEOID18 height accuracy estimate available here.
DL9796
DL9796.The PID for the CORS L1 Phase Center is DR8320.
DL9796
DL9796.Click photographs - Photos may exist for this station.
DL9796
DL9796.The XYZ, and position/ellipsoidal ht. are equivalent.
DL9796
DL9796.The ellipsoidal height was determined by GPS observations
DL9796.and is referenced to NAD 83.
DL9796
DL9796. The following values were computed from the NAD 83(2011) position.
DL9796
DL9796; North East Units Scale Factor Converg.
DL9796;SPC AL W - 188,538.451 572,589.482 MT 0.99994260 -0 09 07.0
DL9796;UTM 16 - 3,507,495.256 425,216.994 MT 0.99966897 -0 24 52.9
DL9796
DL9796! - Elev Factor x Scale Factor = Combined Factor
DL9796!SPC AL W - 0.99998228 x 0.99994260 = 0.99992488
DL9796!UTM 16 - 0.99998228 x 0.99966897 = 0.99965126
DL9796
DL9796_U.S. NATIONAL GRID SPATIAL ADDRESS: 16RDA2521607495(NAD 83)
DL9796
DL9796 SUPERSEDED SURVEY CONTROL
DL9796
DL9796 NAD 83(2011)- 31 42 01.32767(N) 087 47 20.98259(W) AD(2010.00) c
DL9796 ELLIP H (06/??/19) 112.867 (m) GP(2010.00) c c
DL9796 NAD 83(2011)- 31 42 01.32768(N) 087 47 20.98252(W) AD(2010.00) c
DL9796 ELLIP H (08/??/11) 112.865 (m) GP(2010.00) c c
DL9796 NAD 83(CORS)- 31 42 01.32814(N) 087 47 20.98337(W) AD(2002.00) c
DL9796 ELLIP H (07/??/10) 112.848 (m) GP(2002.00) c c
DL9796
DL9796.Superseded values are not recommended for survey control.
DL9796
DL9796.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DL9796.See file dsdata.pdf to determine how the superseded data were derived.
DL9796
DL9796_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DL9796
DL9796 STATION DESCRIPTION
DL9796
DL9796'DESCRIBED BY NATIONAL GEODETIC SURVEY 2022
DL9796'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DL9796'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DL9796'ACCESSIBLE AT THE WORLDWIDE WEB.
DL9796'https://geodesy.noaa.gov/CORS/data.shtml
DL9796'https://geodesy.noaa.gov/CORS
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