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 16:09:18 EST
DL1894 ***********************************************************************
DL1894 HT_MOD - This is a Height Modernization Survey Station.
DL1894 CORS - This is a GPS Continuously Operating Reference Station.
DL1894 DESIGNATION - WALNUT COVE CORS ARP
DL1894 CORS_ID - NCWC
DL1894 PID - DL1894
DL1894 STATE/COUNTY- NC/STOKES
DL1894 COUNTRY - US
DL1894 USGS QUAD - WALNUT COVE (2019)
DL1894
DL1894 *CURRENT SURVEY CONTROL
DL1894 ______________________________________________________________________
DL1894* NAD 83(2011) POSITION- 36 22 19.68804(N) 080 11 05.62523(W) ADJUSTED
DL1894* NAD 83(2011) ELLIP HT- 276.341 (meters) (05/??/20) ADJUSTED
DL1894* NAD 83(2011) EPOCH - 2010.00
DL1894* NAVD 88 ORTHO HEIGHT - 309.54 (meters) 1015.5 (feet) GPS OBS
DL1894 ______________________________________________________________________
DL1894 NAVD 88 orthometric height was determined with geoid model GEOID09
DL1894 GEOID HEIGHT - -33.220 (meters) GEOID09
DL1894 GEOID HEIGHT - -33.222 (meters) GEOID18
DL1894 NAD 83(2011) X - 876,525.931 (meters) COMP
DL1894 NAD 83(2011) Y - -5,066,580.339 (meters) COMP
DL1894 NAD 83(2011) Z - 3,761,683.297 (meters) COMP
DL1894
DL1894 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DL1894 Standards:
DL1894 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DL1894 Horiz Ellip SD_N SD_E SD_h (unitless)
DL1894 -------------------------------------------------------------------
DL1894 NETWORK 0.12 0.30 0.04 0.06 0.15 -0.11952800
DL1894 -------------------------------------------------------------------
DL1894
DL1894.The coordinates were established by GPS observations
DL1894.and adjusted by the National Geodetic Survey in May 2020.
DL1894
DL1894.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DL1894.been affixed to the stable North American Tectonic Plate.
DL1894
DL1894.The coordinates are valid at the epoch date displayed above
DL1894.which is a decimal equivalence of Year/Month/Day.
DL1894
DL1894.Due to the release of the International GNSS Service (IGS) 2014
DL1894.realization of the International Terrestrial Reference Frame of 2014
DL1894.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DL1894.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DL1894.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DL1894.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DL1894.currently published epoch of 2010.00.
DL1894
DL1894.Additional information on MYCS2 is available at
DL1894.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DL1894
DL1894.The orthometric height was determined by GPS observations and a
DL1894.high-resolution geoid model using precise GPS observation and
DL1894.processing techniques.
DL1894
DL1894.Significant digits in the geoid height do not necessarily reflect accuracy.
DL1894.GEOID18 height accuracy estimate available here.
DL1894
DL1894.The PID for the CORS L1 Phase Center is DQ6783.
DL1894
DL1894.Click photographs - Photos may exist for this station.
DL1894
DL1894.The XYZ, and position/ellipsoidal ht. are equivalent.
DL1894
DL1894.The ellipsoidal height was determined by GPS observations
DL1894.and is referenced to NAD 83.
DL1894
DL1894. The following values were computed from the NAD 83(2011) position.
DL1894
DL1894; North East Units Scale Factor Converg.
DL1894;SPC NC - 291,528.705 503,266.556 MT 1.00006383 -0 41 02.0
DL1894;SPC NC - 956,457.09 1,651,133.69 sFT 1.00006383 -0 41 02.0
DL1894;UTM 17 - 4,025,533.454 573,117.439 MT 0.99966587 +0 29 00.2
DL1894
DL1894! - Elev Factor x Scale Factor = Combined Factor
DL1894!SPC NC - 0.99995663 x 1.00006383 = 1.00002046
DL1894!UTM 17 - 0.99995663 x 0.99966587 = 0.99962252
DL1894
DL1894_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SNA7311725533(NAD 83)
DL1894
DL1894 SUPERSEDED SURVEY CONTROL
DL1894
DL1894 NAD 83(2011)- 36 22 19.68807(N) 080 11 05.62521(W) AD(2010.00) c
DL1894 ELLIP H (06/??/19) 276.322 (m) GP(2010.00) c c
DL1894 ELLIP H (06/27/12) 276.318 (m) GP(2010.00) 0 0
DL1894 NAD 83(2011)- 36 22 19.68805(N) 080 11 05.62530(W) AD(2010.00) c
DL1894 NAD 83(2011)- 36 22 19.68806(N) 080 11 05.62514(W) AD(2010.00) c
DL1894 ELLIP H (08/??/11) 276.319 (m) GP(2010.00) c c
DL1894 NAD 83(CORS)- 36 22 19.68833(N) 080 11 05.62559(W) AD(2002.00) c
DL1894 ELLIP H (03/??/09) 276.330 (m) GP(2002.00) c c
DL1894
DL1894.Superseded values are not recommended for survey control.
DL1894
DL1894.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DL1894.See file dsdata.pdf to determine how the superseded data were derived.
DL1894
DL1894_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DL1894
DL1894 STATION DESCRIPTION
DL1894
DL1894'DESCRIBED BY NATIONAL GEODETIC SURVEY 2020
DL1894'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DL1894'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DL1894'ACCESSIBLE AT THE WORLDWIDE WEB.
DL1894'https://geodesy.noaa.gov/CORS/data.shtml
DL1894'https://geodesy.noaa.gov/CORS
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