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 18, 2025 23:16:58 EST
DO8512 ***********************************************************************
DO8512 HT_MOD - This is a Height Modernization Survey Station.
DO8512 CORS - This is a GPS Continuously Operating Reference Station.
DO8512 DESIGNATION - MARY_289 LSU C4G CORS ARP
DO8512 CORS_ID - MARY
DO8512 PID - DO8512
DO8512 STATE/COUNTY- LA/ORLEANS
DO8512 COUNTRY - US
DO8512 USGS QUAD - LITTLE WOODS (2018)
DO8512
DO8512 *CURRENT SURVEY CONTROL
DO8512 ______________________________________________________________________
DO8512* NAD 83(2011) POSITION- 30 01 22.70919(N) 089 54 46.80198(W) ADJUSTED
DO8512* NAD 83(2011) ELLIP HT- -22.871 (meters) (05/??/21) ADJUSTED
DO8512* NAD 83(2011) EPOCH - 2010.00
DO8512* NAVD 88 ORTHO HEIGHT - 3.28 (meters) 10.8 (feet) GPS OBS
DO8512* NAVD 88 EPOCH - 2009.55
DO8512 **This station is located in a suspected subsidence area (see below).
DO8512 ______________________________________________________________________
DO8512 GEOID HEIGHT - -26.160 (meters) GEOID18
DO8512 NAD 83(2011) X - 8,392.286 (meters) COMP
DO8512 NAD 83(2011) Y - -5,526,956.616 (meters) COMP
DO8512 NAD 83(2011) Z - 3,172,567.642 (meters) COMP
DO8512
DO8512 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DO8512 Standards:
DO8512 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DO8512 Horiz Ellip SD_N SD_E SD_h (unitless)
DO8512 -------------------------------------------------------------------
DO8512 NETWORK 0.15 0.62 0.07 0.05 0.32 0.01136900
DO8512 -------------------------------------------------------------------
DO8512
DO8512.The coordinates were established by GPS observations
DO8512.and adjusted by the National Geodetic Survey in May 2021.
DO8512
DO8512.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DO8512.been affixed to the stable North American Tectonic Plate.
DO8512
DO8512.The coordinates are valid at the epoch date displayed above
DO8512.which is a decimal equivalence of Year/Month/Day.
DO8512
DO8512.Due to the release of the International GNSS Service (IGS) 2014
DO8512.realization of the International Terrestrial Reference Frame of 2014
DO8512.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DO8512.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DO8512.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DO8512.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DO8512.currently published epoch of 2010.00.
DO8512
DO8512.Additional information on MYCS2 is available at
DO8512.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DO8512
DO8512.** This station is in an area of known vertical motion. Due to the
DO8512.** variability of land subsidence, uplift, and crustal motion, NGS has,
DO8512.** determined the orthometric heights for marks in these suspect
DO8512.** subsidence areas should be considered valid only at the epoch date
DO8512.** associated with the orthometric height. These heights must always
DO8512.** be validated when used as control. All previously superseded
DO8512.** orthometric heights are now considered suspect and are available
DO8512.** in the superseded section. NGS does not recommend using suspect
DO8512.** or superseded heights as control.
DO8512
DO8512.The orthometric height was determined by GPS observations and a
DO8512.high-resolution geoid model using precise GPS observation and
DO8512.processing techniques.
DO8512
DO8512.Significant digits in the geoid height do not necessarily reflect accuracy.
DO8512.GEOID18 height accuracy estimate available here.
DO8512
DO8512.The PID for the CORS L1 Phase Center is DR1532.
DO8512
DO8512.Click photographs - Photos may exist for this station.
DO8512
DO8512.The XYZ, and position/ellipsoidal ht. are equivalent.
DO8512
DO8512.The ellipsoidal height was determined by GPS observations
DO8512.and is referenced to NAD 83.
DO8512
DO8512. The following values were computed from the NAD 83(2011) position.
DO8512
DO8512; North East Units Scale Factor Converg.
DO8512;SPC LA S - 169,662.094 1,136,997.377 MT 0.99992582 +0 42 36.7
DO8512;SPC LA S - 556,633.05 3,730,298.89 sFT 0.99992582 +0 42 36.7
DO8512;UTM 16 - 3,324,906.528 219,051.706 MT 1.00057395 -1 27 30.5
DO8512
DO8512! - Elev Factor x Scale Factor = Combined Factor
DO8512!SPC LA S - 1.00000359 x 0.99992582 = 0.99992941
DO8512!UTM 16 - 1.00000359 x 1.00057395 = 1.00057754
DO8512
DO8512_U.S. NATIONAL GRID SPATIAL ADDRESS: 16RBU1905124906(NAD 83)
DO8512
DO8512 SUPERSEDED SURVEY CONTROL
DO8512
DO8512 NAD 83(2011)- 30 01 22.70918(N) 089 54 46.80198(W) AD(2010.00) c
DO8512 ELLIP H (05/??/20) -22.891 (m) GP(2010.00) c c
DO8512 NAD 83(2011)- 30 01 22.70921(N) 089 54 46.80199(W) AD(2010.00) c
DO8512 ELLIP H (06/??/19) -22.898 (m) GP(2010.00) c c
DO8512 NAD 83(2011)- 30 01 22.70956(N) 089 54 46.80194(W) AD(2010.00) c
DO8512 ELLIP H (07/??/13) -22.897 (m) GP(2010.00) c c
DO8512
DO8512.Superseded values are not recommended for survey control.
DO8512
DO8512.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DO8512.See file dsdata.pdf to determine how the superseded data were derived.
DO8512
DO8512_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DO8512
DO8512 STATION DESCRIPTION
DO8512
DO8512'DESCRIBED BY NATIONAL GEODETIC SURVEY 2021
DO8512'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DO8512'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DO8512'ACCESSIBLE AT THE WORLDWIDE WEB.
DO8512'https://geodesy.noaa.gov/CORS/data.shtml
DO8512'https://geodesy.noaa.gov/CORS
*** retrieval complete.
Elapsed Time = 00:00:04