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 19:13:19 EST
DL3999 ***********************************************************************
DL3999 CORS - This is a GPS Continuously Operating Reference Station.
DL3999 DESIGNATION - LOYOLA LS05 CORS ARP
DL3999 CORS_ID - LS05
DL3999 PID - DL3999
DL3999 STATE/COUNTY- VA/PRINCE EDWARD
DL3999 COUNTRY - US
DL3999 USGS QUAD - FARMVILLE (2019)
DL3999
DL3999 *CURRENT SURVEY CONTROL
DL3999 ______________________________________________________________________
DL3999* NAD 83(2011) POSITION- 37 18 14.85154(N) 078 23 37.66394(W) ADJUSTED
DL3999* NAD 83(2011) ELLIP HT- 79.192 (meters) (06/??/19) ADJUSTED
DL3999* NAD 83(2011) EPOCH - 2010.00
DL3999 ______________________________________________________________________
DL3999 GEOID HEIGHT - -31.408 (meters) GEOID18
DL3999 NAD 83(2011) X - 1,021,948.756 (meters) COMP
DL3999 NAD 83(2011) Y - -4,975,810.537 (meters) COMP
DL3999 NAD 83(2011) Z - 3,844,342.657 (meters) COMP
DL3999
DL3999.Formal positional accuracy estimates are not available for this CORS
DL3999.because its coordinates were determined in part using modeled
DL3999.velocities. Approximate one-sigma accuracies for latitude, longitude,
DL3999.and ellipsoid height can be obtained from the short-term time series.
DL3999.Additional information regarding modeled velocities is available on
DL3999.the CORS Coordinates for MYCS2 web page:
DL3999.https://www.ngs.noaa.gov/CORS/news/mycs2/mycs2.shtml.
DL3999
DL3999.The coordinates were established by GPS observations
DL3999.and adjusted by the National Geodetic Survey in June 2019.
DL3999
DL3999.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DL3999.been affixed to the stable North American Tectonic Plate.
DL3999
DL3999.The coordinates are valid at the epoch date displayed above
DL3999.which is a decimal equivalence of Year/Month/Day.
DL3999
DL3999.Due to the release of the International GNSS Service (IGS) 2014
DL3999.realization of the International Terrestrial Reference Frame of 2014
DL3999.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DL3999.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DL3999.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DL3999.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DL3999.currently published epoch of 2010.00.
DL3999
DL3999.Additional information on MYCS2 is available at
DL3999.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DL3999
DL3999.Significant digits in the geoid height do not necessarily reflect accuracy.
DL3999.GEOID18 height accuracy estimate available here.
DL3999
DL3999.The PID for the CORS L1 Phase Center is DL4000.
DL3999
DL3999.Click photographs - Photos may exist for this station.
DL3999
DL3999.The XYZ, and position/ellipsoidal ht. are equivalent.
DL3999
DL3999.The ellipsoidal height was determined by GPS observations
DL3999.and is referenced to NAD 83.
DL3999
DL3999. The following values were computed from the NAD 83(2011) position.
DL3999
DL3999; North East Units Scale Factor Converg.
DL3999;SPC VA S - 1,107,738.526 3,509,415.142 MT 0.99994601 +0 03 52.0
DL3999;SPC VA S - 3,634,305.48 11,513,806.18 sFT 0.99994601 +0 03 52.0
DL3999;UTM 17 - 4,131,795.900 730,984.332 MT 1.00025727 +1 34 48.6
DL3999
DL3999! - Elev Factor x Scale Factor = Combined Factor
DL3999!SPC VA S - 0.99998757 x 0.99994601 = 0.99993358
DL3999!UTM 17 - 0.99998757 x 1.00025727 = 1.00024484
DL3999
DL3999_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SQB3098431795(NAD 83)
DL3999
DL3999 SUPERSEDED SURVEY CONTROL
DL3999
DL3999 NAD 83(2011)- 37 18 14.85152(N) 078 23 37.66388(W) AD(2010.00) c
DL3999 ELLIP H (08/??/11) 79.191 (m) GP(2010.00) c c
DL3999 NAD 83(CORS)- 37 18 14.85195(N) 078 23 37.66451(W) AD(2002.00) c
DL3999 ELLIP H (09/??/09) 79.197 (m) GP(2002.00) c c
DL3999
DL3999.Superseded values are not recommended for survey control.
DL3999
DL3999.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DL3999.See file dsdata.pdf to determine how the superseded data were derived.
DL3999
DL3999_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DL3999
DL3999 STATION DESCRIPTION
DL3999
DL3999'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
DL3999'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DL3999'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DL3999'ACCESSIBLE AT THE WORLDWIDE WEB.
DL3999'https://geodesy.noaa.gov/CORS/data.shtml
DL3999'https://geodesy.noaa.gov/CORS
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