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 09:15:18 EST
AF9490 ***********************************************************************
AF9490 HT_MOD - This is a Height Modernization Survey Station.
AF9490 CORS - This is a GPS Continuously Operating Reference Station.
AF9490 DESIGNATION - CHARLESTON 1 CORS ARP
AF9490 CORS_ID - CHA1
AF9490 PID - AF9490
AF9490 STATE/COUNTY- SC/CHARLESTON
AF9490 COUNTRY - US
AF9490 USGS QUAD - FORT MOULTRIE (2017)
AF9490
AF9490 *CURRENT SURVEY CONTROL
AF9490 ______________________________________________________________________
AF9490* NAD 83(2011) POSITION- 32 45 27.21443(N) 079 50 34.33394(W) ADJUSTED
AF9490* NAD 83(2011) ELLIP HT- -27.626 (meters) (06/??/19) ADJUSTED
AF9490* NAD 83(2011) EPOCH - 2010.00
AF9490* NAVD 88 ORTHO HEIGHT - 5.76 (meters) 18.9 (feet) GPS OBS
AF9490 ______________________________________________________________________
AF9490 NAVD 88 orthometric height was determined with an earlier geoid model
AF9490 GEOID HEIGHT - -33.405 (meters) GEOID18
AF9490 NAD 83(2011) X - 946,822.336 (meters) COMP
AF9490 NAD 83(2011) Y - -5,284,903.012 (meters) COMP
AF9490 NAD 83(2011) Z - 3,431,363.273 (meters) COMP
AF9490
AF9490 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
AF9490 Standards:
AF9490 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
AF9490 Horiz Ellip SD_N SD_E SD_h (unitless)
AF9490 -------------------------------------------------------------------
AF9490 NETWORK 0.22 0.72 0.09 0.09 0.37 -0.05561800
AF9490 -------------------------------------------------------------------
AF9490
AF9490.The coordinates were established by GPS observations
AF9490.and adjusted by the National Geodetic Survey in June 2019.
AF9490
AF9490.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
AF9490.been affixed to the stable North American Tectonic Plate.
AF9490
AF9490.The coordinates are valid at the epoch date displayed above
AF9490.which is a decimal equivalence of Year/Month/Day.
AF9490
AF9490.Due to the release of the International GNSS Service (IGS) 2014
AF9490.realization of the International Terrestrial Reference Frame of 2014
AF9490.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
AF9490.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
AF9490.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
AF9490.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
AF9490.currently published epoch of 2010.00.
AF9490
AF9490.Additional information on MYCS2 is available at
AF9490.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
AF9490
AF9490.The orthometric height was determined by GPS observations and a
AF9490.high-resolution geoid model using precise GPS observation and
AF9490.processing techniques.
AF9490
AF9490.Significant digits in the geoid height do not necessarily reflect accuracy.
AF9490.GEOID18 height accuracy estimate available here.
AF9490
AF9490.The PID for the CORS L1 Phase Center is AJ7861.
AF9490
AF9490.Click photographs - Photos may exist for this station.
AF9490
AF9490.The XYZ, and position/ellipsoidal ht. are equivalent.
AF9490
AF9490.The ellipsoidal height was determined by GPS observations
AF9490.and is referenced to NAD 83.
AF9490
AF9490. The following values were computed from the NAD 83(2011) position.
AF9490
AF9490; North East Units Scale Factor Converg.
AF9490;SPC SC - 103,105.387 718,021.223 MT 0.99991923 +0 38 29.4
AF9490;SPC SC - 338,272.27 2,355,712.67 iFT 0.99991923 +0 38 29.4
AF9490;UTM 17 - 3,625,002.778 608,391.952 MT 0.99974487 +0 37 34.2
AF9490
AF9490! - Elev Factor x Scale Factor = Combined Factor
AF9490!SPC SC - 1.00000434 x 0.99991923 = 0.99992357
AF9490!UTM 17 - 1.00000434 x 0.99974487 = 0.99974921
AF9490
AF9490_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPS0839125002(NAD 83)
AF9490
AF9490 SUPERSEDED SURVEY CONTROL
AF9490
AF9490 ELLIP H (06/27/12) -27.603 (m) GP(2010.00) 0 0
AF9490 NAD 83(2011)- 32 45 27.21426(N) 079 50 34.33390(W) AD(2010.00) c
AF9490 NAD 83(2011)- 32 45 27.21442(N) 079 50 34.33391(W) AD(2010.00) c
AF9490 ELLIP H (08/??/11) -27.619 (m) GP(2010.00) c c
AF9490 ELLIP H (02/10/07) -27.558 (m) GP(2002.00)
AF9490 NAD 83(2007)- 32 45 27.21417(N) 079 50 34.33431(W) AD(2002.00) c
AF9490 NAD 83(CORS)- 32 45 27.21417(N) 079 50 34.33431(W) AD(2002.00) c
AF9490 ELLIP H (03/??/02) -27.558 (m) GP(2002.00) c c
AF9490 NAD 83(CORS)- 32 45 27.21448(N) 079 50 34.33496(W) AD(1997.00) c
AF9490 ELLIP H (04/??/00) -27.575 (m) GP(1997.00) c c
AF9490 NAD 83(CORS)- 32 45 27.21423(N) 079 50 34.33500(W) AD(1997.00) c
AF9490 ELLIP H (04/??/96) -27.554 (m) GP(1997.00) c c
AF9490 NAD 83(CORS)- 32 45 27.21423(N) 079 50 34.33500(W) AD(1996.00) c
AF9490 ELLIP H (04/??/96) -27.554 (m) GP(1996.00) c c
AF9490 NAVD 88 (12/01/99) 5.7 (m) UNKNOWN model used GPS OBS
AF9490 NAVD 88 (11/19/99) 5.77 (m) UNKNOWN model used GPS OBS
AF9490 NAVD 88 (09/21/99) 5.7 (m) GEOID96 model used GPS OBS
AF9490
AF9490.Superseded values are not recommended for survey control.
AF9490
AF9490.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AF9490.See file dsdata.pdf to determine how the superseded data were derived.
AF9490
AF9490_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
AF9490_MARK LOGO: NGS
AF9490_MAGNETIC: N = NO MAGNETIC MATERIAL
AF9490
AF9490 STATION DESCRIPTION
AF9490
AF9490'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
AF9490'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
AF9490'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
AF9490'ACCESSIBLE AT THE WORLDWIDE WEB.
AF9490'https://geodesy.noaa.gov/CORS/data.shtml
AF9490'https://geodesy.noaa.gov/CORS
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