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 19, 2025 03:35:28 EST
DF5771 ***********************************************************************
DF5771 HT_MOD - This is a Height Modernization Survey Station.
DF5771 CORS - This is a GPS Continuously Operating Reference Station.
DF5771 DESIGNATION - LMCN LUMCON CORS ARP
DF5771 CORS_ID - LMCN
DF5771 PID - DF5771
DF5771 STATE/COUNTY- LA/TERREBONNE
DF5771 COUNTRY - US
DF5771 USGS QUAD - LAKE QUITMAN (2018)
DF5771
DF5771 *CURRENT SURVEY CONTROL
DF5771 ______________________________________________________________________
DF5771* NAD 83(2011) POSITION- 29 15 17.90433(N) 090 39 40.65195(W) ADJUSTED
DF5771* NAD 83(2011) ELLIP HT- -14.750 (meters) (06/??/19) ADJUSTED
DF5771* NAD 83(2011) EPOCH - 2010.00
DF5771* NAVD 88 ORTHO HEIGHT - 9.54 (meters) 31.3 (feet) GPS OBS
DF5771* NAVD 88 EPOCH - 2009.55
DF5771 **This station is located in a suspected subsidence area (see below).
DF5771 ______________________________________________________________________
DF5771 GEOID HEIGHT - -24.314 (meters) GEOID18
DF5771 NAD 83(2011) X - -64,275.247 (meters) COMP
DF5771 NAD 83(2011) Y - -5,568,698.387 (meters) COMP
DF5771 NAD 83(2011) Z - 3,098,580.800 (meters) COMP
DF5771
DF5771 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DF5771 Standards:
DF5771 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DF5771 Horiz Ellip SD_N SD_E SD_h (unitless)
DF5771 -------------------------------------------------------------------
DF5771 NETWORK 0.17 0.28 0.03 0.09 0.14 0.03833400
DF5771 -------------------------------------------------------------------
DF5771
DF5771.The coordinates were established by GPS observations
DF5771.and adjusted by the National Geodetic Survey in June 2019.
DF5771
DF5771.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DF5771.been affixed to the stable North American Tectonic Plate.
DF5771
DF5771.The coordinates are valid at the epoch date displayed above
DF5771.which is a decimal equivalence of Year/Month/Day.
DF5771
DF5771.Due to the release of the International GNSS Service (IGS) 2014
DF5771.realization of the International Terrestrial Reference Frame of 2014
DF5771.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DF5771.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DF5771.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DF5771.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DF5771.currently published epoch of 2010.00.
DF5771
DF5771.Additional information on MYCS2 is available at
DF5771.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DF5771
DF5771.** This station is in an area of known vertical motion. Due to the
DF5771.** variability of land subsidence, uplift, and crustal motion, NGS has,
DF5771.** determined the orthometric heights for marks in these suspect
DF5771.** subsidence areas should be considered valid only at the epoch date
DF5771.** associated with the orthometric height. These heights must always
DF5771.** be validated when used as control. All previously superseded
DF5771.** orthometric heights are now considered suspect and are available
DF5771.** in the superseded section. NGS does not recommend using suspect
DF5771.** or superseded heights as control.
DF5771
DF5771.The orthometric height was determined by GPS observations and a
DF5771.high-resolution geoid model using precise GPS observation and
DF5771.processing techniques.
DF5771
DF5771.Significant digits in the geoid height do not necessarily reflect accuracy.
DF5771.GEOID18 height accuracy estimate available here.
DF5771
DF5771.The PID for the CORS L1 Phase Center is DR1465.
DF5771
DF5771.Click photographs - Photos may exist for this station.
DF5771
DF5771.The XYZ, and position/ellipsoidal ht. are equivalent.
DF5771
DF5771.The ellipsoidal height was determined by GPS observations
DF5771.and is referenced to NAD 83.
DF5771
DF5771. The following values were computed from the NAD 83(2011) position.
DF5771
DF5771; North East Units Scale Factor Converg.
DF5771;SPC LA S - 83,878.415 1,065,321.873 MT 1.00000984 +0 20 09.7
DF5771;SPC LA S - 275,191.10 3,495,143.51 sFT 1.00000984 +0 20 09.7
DF5771;UTM 15 - 3,238,502.503 727,261.915 MT 1.00023736 +1 08 36.3
DF5771
DF5771! - Elev Factor x Scale Factor = Combined Factor
DF5771!SPC LA S - 1.00000232 x 1.00000984 = 1.00001216
DF5771!UTM 15 - 1.00000232 x 1.00023736 = 1.00023968
DF5771
DF5771_U.S. NATIONAL GRID SPATIAL ADDRESS: 15RYN2726138502(NAD 83)
DF5771
DF5771 SUPERSEDED SURVEY CONTROL
DF5771
DF5771 ELLIP H (06/27/12) -14.726 (m) GP(2010.00) 0 0
DF5771 NAD 83(2011)- 29 15 17.90433(N) 090 39 40.65227(W) AD(2010.00) c
DF5771 NAD 83(2011)- 29 15 17.90427(N) 090 39 40.65211(W) AD(2010.00) c
DF5771 ELLIP H (08/??/11) -14.743 (m) GP(2010.00) c c
DF5771 NAD 83(CORS)- 29 15 17.90440(N) 090 39 40.65331(W) AD(2002.00) c
DF5771 ELLIP H (11/??/08) -14.694 (m) GP(2002.00) c c
DF5771 ELLIP H (02/10/07) -14.702 (m) GP( )
DF5771 NAD 83(2007)- 29 15 17.90447(N) 090 39 40.65284(W) AD( ) c
DF5771 NAD 83(CORS)- 29 15 17.90447(N) 090 39 40.65284(W) AD(2002.00) c
DF5771 ELLIP H (05/??/03) -14.702 (m) GP(2002.00) c c
DF5771 NAVD 88 (12/26/12) 9.67 (m) GEOID12A model used GP(2009.55)
DF5771 NAVD 88 (06/22/05) 9.79 (m) UNKNOWN model used GP(2004.65)
DF5771
DF5771.Superseded values are not recommended for survey control.
DF5771
DF5771.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DF5771.See file dsdata.pdf to determine how the superseded data were derived.
DF5771
DF5771_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DF5771
DF5771 STATION DESCRIPTION
DF5771
DF5771'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
DF5771'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DF5771'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DF5771'ACCESSIBLE AT THE WORLDWIDE WEB.
DF5771'https://geodesy.noaa.gov/CORS/data.shtml
DF5771'https://geodesy.noaa.gov/CORS
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