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 17, 2025 14:53:25 EST
AJ7833 ***********************************************************************
AJ7833 HT_MOD - This is a Height Modernization Survey Station.
AJ7833 CORS - This is a GPS Continuously Operating Reference Station.
AJ7833 DESIGNATION - HAMMOND CORS ARP
AJ7833 CORS_ID - HAMM
AJ7833 PID - AJ7833
AJ7833 STATE/COUNTY- LA/TANGIPAHOA
AJ7833 COUNTRY - US
AJ7833 USGS QUAD - HAMMOND (2018)
AJ7833
AJ7833 *CURRENT SURVEY CONTROL
AJ7833 ______________________________________________________________________
AJ7833* NAD 83(2011) POSITION- 30 30 47.05152(N) 090 28 03.42835(W) ADJUSTED
AJ7833* NAD 83(2011) ELLIP HT- 7.258 (meters) (06/??/19) ADJUSTED
AJ7833* NAD 83(2011) EPOCH - 2010.00
AJ7833* NAVD 88 ORTHO HEIGHT - 34.17 (meters) 112.1 (feet) GPS OBS
AJ7833* NAVD 88 EPOCH - 2009.55
AJ7833 **This station is located in a suspected subsidence area (see below).
AJ7833 ______________________________________________________________________
AJ7833 GEOID HEIGHT - -26.892 (meters) GEOID18
AJ7833 NAD 83(2011) X - -44,884.471 (meters) COMP
AJ7833 NAD 83(2011) Y - -5,499,420.928 (meters) COMP
AJ7833 NAD 83(2011) Z - 3,219,506.595 (meters) COMP
AJ7833
AJ7833 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
AJ7833 Standards:
AJ7833 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
AJ7833 Horiz Ellip SD_N SD_E SD_h (unitless)
AJ7833 -------------------------------------------------------------------
AJ7833 NETWORK 0.15 0.32 0.05 0.07 0.16 0.07161200
AJ7833 -------------------------------------------------------------------
AJ7833
AJ7833.The coordinates were established by GPS observations
AJ7833.and adjusted by the National Geodetic Survey in June 2019.
AJ7833
AJ7833.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
AJ7833.been affixed to the stable North American Tectonic Plate.
AJ7833
AJ7833.The coordinates are valid at the epoch date displayed above
AJ7833.which is a decimal equivalence of Year/Month/Day.
AJ7833
AJ7833.Due to the release of the International GNSS Service (IGS) 2014
AJ7833.realization of the International Terrestrial Reference Frame of 2014
AJ7833.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
AJ7833.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
AJ7833.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
AJ7833.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
AJ7833.currently published epoch of 2010.00.
AJ7833
AJ7833.Additional information on MYCS2 is available at
AJ7833.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
AJ7833
AJ7833.** This station is in an area of known vertical motion. Due to the
AJ7833.** variability of land subsidence, uplift, and crustal motion, NGS has,
AJ7833.** determined the orthometric heights for marks in these suspect
AJ7833.** subsidence areas should be considered valid only at the epoch date
AJ7833.** associated with the orthometric height. These heights must always
AJ7833.** be validated when used as control. All previously superseded
AJ7833.** orthometric heights are now considered suspect and are available
AJ7833.** in the superseded section. NGS does not recommend using suspect
AJ7833.** or superseded heights as control.
AJ7833
AJ7833.The orthometric height was determined by GPS observations and a
AJ7833.high-resolution geoid model using precise GPS observation and
AJ7833.processing techniques.
AJ7833
AJ7833.Significant digits in the geoid height do not necessarily reflect accuracy.
AJ7833.GEOID18 height accuracy estimate available here.
AJ7833
AJ7833.The PID for the CORS L1 Phase Center is DR1461.
AJ7833
AJ7833.Click photographs - Photos may exist for this station.
AJ7833
AJ7833.The XYZ, and position/ellipsoidal ht. are equivalent.
AJ7833
AJ7833.The ellipsoidal height was determined by GPS observations
AJ7833.and is referenced to NAD 83.
AJ7833
AJ7833. The following values were computed from the NAD 83(2011) position.
AJ7833
AJ7833; North East Units Scale Factor Converg.
AJ7833;SPC LA S - 223,454.100 1,083,092.884 MT 0.99996557 +0 25 58.3
AJ7833;SPC LA S - 733,115.66 3,553,447.24 sFT 0.99996557 +0 25 58.3
AJ7833;UTM 15 - 3,378,367.745 743,014.732 MT 1.00032860 +1 17 11.1
AJ7833
AJ7833! - Elev Factor x Scale Factor = Combined Factor
AJ7833!SPC LA S - 0.99999886 x 0.99996557 = 0.99996443
AJ7833!UTM 15 - 0.99999886 x 1.00032860 = 1.00032746
AJ7833
AJ7833_U.S. NATIONAL GRID SPATIAL ADDRESS: 15RYP4301478367(NAD 83)
AJ7833
AJ7833 SUPERSEDED SURVEY CONTROL
AJ7833
AJ7833 NAD 83(2011)- 30 30 47.05150(N) 090 28 03.42841(W) AD(2010.00) c
AJ7833 ELLIP H (08/??/11) 7.264 (m) GP(2010.00) c c
AJ7833 NAD 83(CORS)- 30 30 47.05159(N) 090 28 03.42873(W) AD(2002.00) c
AJ7833 ELLIP H (03/??/02) 7.266 (m) GP(2002.00) c c
AJ7833 NAD 83(CORS)- 30 30 47.05159(N) 090 28 03.42873(W) AD(1997.00) c
AJ7833 ELLIP H (02/??/02) 7.266 (m) GP(1997.00) c c
AJ7833
AJ7833.Superseded values are not recommended for survey control.
AJ7833
AJ7833.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AJ7833.See file dsdata.pdf to determine how the superseded data were derived.
AJ7833
AJ7833_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
AJ7833
AJ7833 STATION DESCRIPTION
AJ7833
AJ7833'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
AJ7833'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
AJ7833'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
AJ7833'ACCESSIBLE AT THE WORLDWIDE WEB.
AJ7833'https://geodesy.noaa.gov/CORS/data.shtml
AJ7833'https://geodesy.noaa.gov/CORS
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