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 17:00:47 EST
AJ7836 ***********************************************************************
AJ7836 CORS - This is a GPS Continuously Operating Reference Station.
AJ7836 DESIGNATION - LRD-RRP CORS ARP
AJ7836 CORS_ID - LARD
AJ7836 PID - AJ7836
AJ7836 STATE/COUNTY- TX/WEBB
AJ7836 COUNTRY - US
AJ7836 USGS QUAD - LAREDO EAST (2019)
AJ7836
AJ7836 *CURRENT SURVEY CONTROL
AJ7836 ______________________________________________________________________
AJ7836* NAD 83(2011) POSITION- 27 30 49.91339(N) 099 26 52.50968(W) ADJUSTED
AJ7836* NAD 83(2011) ELLIP HT- 114.898 (meters) (06/??/19) ADJUSTED
AJ7836* NAD 83(2011) EPOCH - 2010.00
AJ7836 ______________________________________________________________________
AJ7836 GEOID HEIGHT - -24.048 (meters) GEOID18
AJ7836 NAD 83(2011) X - -929,244.307 (meters) COMP
AJ7836 NAD 83(2011) Y - -5,584,121.758 (meters) COMP
AJ7836 NAD 83(2011) Z - 2,928,886.071 (meters) COMP
AJ7836
AJ7836.Formal positional accuracy estimates are not available for this CORS
AJ7836.because its coordinates were determined in part using modeled
AJ7836.velocities. Approximate one-sigma accuracies for latitude, longitude,
AJ7836.and ellipsoid height can be obtained from the short-term time series.
AJ7836.Additional information regarding modeled velocities is available on
AJ7836.the CORS Coordinates for MYCS2 web page:
AJ7836.https://www.ngs.noaa.gov/CORS/news/mycs2/mycs2.shtml.
AJ7836
AJ7836.The coordinates were established by GPS observations
AJ7836.and adjusted by the National Geodetic Survey in June 2019.
AJ7836
AJ7836.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
AJ7836.been affixed to the stable North American Tectonic Plate.
AJ7836
AJ7836.The coordinates are valid at the epoch date displayed above
AJ7836.which is a decimal equivalence of Year/Month/Day.
AJ7836
AJ7836.Due to the release of the International GNSS Service (IGS) 2014
AJ7836.realization of the International Terrestrial Reference Frame of 2014
AJ7836.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
AJ7836.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
AJ7836.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
AJ7836.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
AJ7836.currently published epoch of 2010.00.
AJ7836
AJ7836.Additional information on MYCS2 is available at
AJ7836.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
AJ7836
AJ7836.Significant digits in the geoid height do not necessarily reflect accuracy.
AJ7836.GEOID18 height accuracy estimate available here.
AJ7836
AJ7836.The PID for the CORS L1 Phase Center is AJ7837.
AJ7836
AJ7836.Click photographs - Photos may exist for this station.
AJ7836
AJ7836.The XYZ, and position/ellipsoidal ht. are equivalent.
AJ7836
AJ7836.The ellipsoidal height was determined by GPS observations
AJ7836.and is referenced to NAD 83.
AJ7836
AJ7836. The following values were computed from the NAD 83(2011) position.
AJ7836
AJ7836; North East Units Scale Factor Converg.
AJ7836;SPC TX S - 5,205,008.504 206,352.798 MT 0.99993469 -0 25 49.3
AJ7836;SPC TX S -17,076,765.40 677,009.14 sFT 0.99993469 -0 25 49.3
AJ7836;UTM 14 - 3,043,432.466 455,763.120 MT 0.99962415 -0 12 24.9
AJ7836
AJ7836! - Elev Factor x Scale Factor = Combined Factor
AJ7836!SPC TX S - 0.99998195 x 0.99993469 = 0.99991664
AJ7836!UTM 14 - 0.99998195 x 0.99962415 = 0.99960611
AJ7836
AJ7836_U.S. NATIONAL GRID SPATIAL ADDRESS: 14RMR5576343432(NAD 83)
AJ7836
AJ7836 SUPERSEDED SURVEY CONTROL
AJ7836
AJ7836 NAD 83(2011)- 27 30 49.91339(N) 099 26 52.50952(W) AD(2010.00) c
AJ7836 ELLIP H (08/??/11) 114.886 (m) GP(2010.00) c c
AJ7836 NAD 83(CORS)- 27 30 49.91345(N) 099 26 52.51007(W) AD(2002.00) c
AJ7836 ELLIP H (03/??/02) 114.900 (m) GP(2002.00) c c
AJ7836 NAD 83(CORS)- 27 30 49.91344(N) 099 26 52.51007(W) AD(1997.00) c
AJ7836 ELLIP H (02/??/02) 114.900 (m) GP(1997.00) c c
AJ7836
AJ7836.Superseded values are not recommended for survey control.
AJ7836
AJ7836.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AJ7836.See file dsdata.pdf to determine how the superseded data were derived.
AJ7836
AJ7836_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
AJ7836
AJ7836 STATION DESCRIPTION
AJ7836
AJ7836'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
AJ7836'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
AJ7836'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
AJ7836'ACCESSIBLE AT THE WORLDWIDE WEB.
AJ7836'https://geodesy.noaa.gov/CORS/data.shtml
AJ7836'https://geodesy.noaa.gov/CORS
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