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 16:06:41 EST
DL1707 ***********************************************************************
DL1707 HT_MOD - This is a Height Modernization Survey Station.
DL1707 CORS - This is a GPS Continuously Operating Reference Station.
DL1707 DESIGNATION - SPARTA CORS ARP
DL1707 CORS_ID - NCSR
DL1707 PID - DL1707
DL1707 STATE/COUNTY- NC/ALLEGHANY
DL1707 COUNTRY - US
DL1707 USGS QUAD - GLADE VALLEY (2019)
DL1707
DL1707 *CURRENT SURVEY CONTROL
DL1707 ______________________________________________________________________
DL1707* NAD 83(2011) POSITION- 36 29 51.90684(N) 081 06 52.93257(W) ADJUSTED
DL1707* NAD 83(2011) ELLIP HT- 839.993 (meters) (05/??/21) ADJUSTED
DL1707* NAD 83(2011) EPOCH - 2010.00
DL1707* NAVD 88 ORTHO HEIGHT - 871.97 (meters) 2860.8 (feet) GPS OBS
DL1707 ______________________________________________________________________
DL1707 NAVD 88 orthometric height was determined with geoid model GEOID09
DL1707 GEOID HEIGHT - -31.935 (meters) GEOID09
DL1707 GEOID HEIGHT - -31.981 (meters) GEOID18
DL1707 NAD 83(2011) X - 792,983.857 (meters) COMP
DL1707 NAD 83(2011) Y - -5,072,405.010 (meters) COMP
DL1707 NAD 83(2011) Z - 3,773,233.629 (meters) COMP
DL1707
DL1707 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DL1707 Standards:
DL1707 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DL1707 Horiz Ellip SD_N SD_E SD_h (unitless)
DL1707 -------------------------------------------------------------------
DL1707 NETWORK 0.12 0.32 0.04 0.05 0.16 -0.09250300
DL1707 -------------------------------------------------------------------
DL1707
DL1707.The coordinates were established by GPS observations
DL1707.and adjusted by the National Geodetic Survey in May 2021.
DL1707
DL1707.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DL1707.been affixed to the stable North American Tectonic Plate.
DL1707
DL1707.The coordinates are valid at the epoch date displayed above
DL1707.which is a decimal equivalence of Year/Month/Day.
DL1707
DL1707.Due to the release of the International GNSS Service (IGS) 2014
DL1707.realization of the International Terrestrial Reference Frame of 2014
DL1707.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DL1707.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DL1707.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DL1707.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DL1707.currently published epoch of 2010.00.
DL1707
DL1707.Additional information on MYCS2 is available at
DL1707.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DL1707
DL1707.The orthometric height was determined by GPS observations and a
DL1707.high-resolution geoid model using precise GPS observation and
DL1707.processing techniques.
DL1707
DL1707.Significant digits in the geoid height do not necessarily reflect accuracy.
DL1707.GEOID18 height accuracy estimate available here.
DL1707
DL1707.The PID for the CORS L1 Phase Center is DR7749.
DL1707
DL1707.Click photographs - Photos may exist for this station.
DL1707
DL1707.The XYZ, and position/ellipsoidal ht. are equivalent.
DL1707
DL1707.The ellipsoidal height was determined by GPS observations
DL1707.and is referenced to NAD 83.
DL1707
DL1707. The following values were computed from the NAD 83(2011) position.
DL1707
DL1707; North East Units Scale Factor Converg.
DL1707;SPC NC - 306,852.742 420,130.762 MT 1.00010925 -1 13 14.0
DL1707;SPC NC - 1,006,732.70 1,378,379.01 sFT 1.00010925 -1 13 14.0
DL1707;UTM 17 - 4,039,164.831 489,727.400 MT 0.99960130 -0 04 05.6
DL1707
DL1707! - Elev Factor x Scale Factor = Combined Factor
DL1707!SPC NC - 0.99986819 x 1.00010925 = 0.99997742
DL1707!UTM 17 - 0.99986819 x 0.99960130 = 0.99946954
DL1707
DL1707_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SMA8972739164(NAD 83)
DL1707
DL1707 SUPERSEDED SURVEY CONTROL
DL1707
DL1707 NAD 83(2011)- 36 29 51.90633(N) 081 06 52.93277(W) AD(2010.00) c
DL1707 ELLIP H (06/??/19) 839.993 (m) GP(2010.00) c c
DL1707 ELLIP H (06/27/12) 839.994 (m) GP(2010.00) 0 0
DL1707 NAD 83(2011)- 36 29 51.90613(N) 081 06 52.93298(W) AD(2010.00) c
DL1707 NAD 83(2011)- 36 29 51.90632(N) 081 06 52.93270(W) AD(2010.00) c
DL1707 ELLIP H (08/??/11) 839.991 (m) GP(2010.00) c c
DL1707 NAD 83(CORS)- 36 29 51.90655(N) 081 06 52.93382(W) AD(2002.00) c
DL1707 ELLIP H (03/??/09) 839.997 (m) GP(2002.00) c c
DL1707
DL1707.Superseded values are not recommended for survey control.
DL1707
DL1707.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DL1707.See file dsdata.pdf to determine how the superseded data were derived.
DL1707
DL1707_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DL1707
DL1707 STATION DESCRIPTION
DL1707
DL1707'DESCRIBED BY NATIONAL GEODETIC SURVEY 2021
DL1707'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DL1707'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DL1707'ACCESSIBLE AT THE WORLDWIDE WEB.
DL1707'https://geodesy.noaa.gov/CORS/data.shtml
DL1707'https://geodesy.noaa.gov/CORS
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