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 15:36:17 EST
AI1406 ***********************************************************************
AI1406 HT_MOD - This is a Height Modernization Survey Station.
AI1406 CORS - This is a GPS Continuously Operating Reference Station.
AI1406 DESIGNATION - DRIVER 1 CORS ARP
AI1406 CORS_ID - DRV1
AI1406 PID - AI1406
AI1406 STATE/COUNTY- VA/ISLE OF WIGHT
AI1406 COUNTRY - US
AI1406 USGS QUAD - BENNS CHURCH (2019)
AI1406
AI1406 *CURRENT SURVEY CONTROL
AI1406 ______________________________________________________________________
AI1406* NAD 83(2011) POSITION- 36 57 31.13620(N) 076 33 23.90247(W) ADJUSTED
AI1406* NAD 83(2011) ELLIP HT- -21.576 (meters) (06/??/19) ADJUSTED
AI1406* NAD 83(2011) EPOCH - 2010.00
AI1406* NAVD 88 ORTHO HEIGHT - 14.68 (meters) 48.2 (feet) GPS OBS
AI1406 ______________________________________________________________________
AI1406 NAVD 88 orthometric height was determined with an earlier geoid model
AI1406 GEOID HEIGHT - -36.255 (meters) GEOID18
AI1406 NAD 83(2011) X - 1,186,304.630 (meters) COMP
AI1406 NAD 83(2011) Y - -4,962,922.432 (meters) COMP
AI1406 NAD 83(2011) Z - 3,813,714.232 (meters) COMP
AI1406
AI1406 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
AI1406 Standards:
AI1406 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
AI1406 Horiz Ellip SD_N SD_E SD_h (unitless)
AI1406 -------------------------------------------------------------------
AI1406 NETWORK 0.17 0.58 0.08 0.06 0.30 0.00103700
AI1406 -------------------------------------------------------------------
AI1406
AI1406.The coordinates were established by GPS observations
AI1406.and adjusted by the National Geodetic Survey in June 2019.
AI1406
AI1406.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
AI1406.been affixed to the stable North American Tectonic Plate.
AI1406
AI1406.The coordinates are valid at the epoch date displayed above
AI1406.which is a decimal equivalence of Year/Month/Day.
AI1406
AI1406.Due to the release of the International GNSS Service (IGS) 2014
AI1406.realization of the International Terrestrial Reference Frame of 2014
AI1406.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
AI1406.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
AI1406.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
AI1406.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
AI1406.currently published epoch of 2010.00.
AI1406
AI1406.Additional information on MYCS2 is available at
AI1406.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
AI1406
AI1406.The orthometric height was determined by GPS observations and a
AI1406.high-resolution geoid model using precise GPS observation and
AI1406.processing techniques.
AI1406
AI1406.Significant digits in the geoid height do not necessarily reflect accuracy.
AI1406.GEOID18 height accuracy estimate available here.
AI1406
AI1406.The PID for the CORS L1 Phase Center is DH9343.
AI1406
AI1406.Click photographs - Photos may exist for this station.
AI1406
AI1406.The XYZ, and position/ellipsoidal ht. are equivalent.
AI1406
AI1406.The ellipsoidal height was determined by GPS observations
AI1406.and is referenced to NAD 83.
AI1406
AI1406. The following values were computed from the NAD 83(2011) position.
AI1406
AI1406; North East Units Scale Factor Converg.
AI1406;SPC VA S - 1,071,175.249 3,673,058.094 MT 0.99997070 +1 10 46.1
AI1406;SPC VA S - 3,514,347.46 12,050,691.43 sFT 0.99997070 +1 10 46.1
AI1406;UTM 18 - 4,091,417.201 361,416.598 MT 0.99983660 -0 56 09.8
AI1406
AI1406! - Elev Factor x Scale Factor = Combined Factor
AI1406!SPC VA S - 1.00000339 x 0.99997070 = 0.99997409
AI1406!UTM 18 - 1.00000339 x 0.99983660 = 0.99983999
AI1406
AI1406_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUF6141691417(NAD 83)
AI1406
AI1406 SUPERSEDED SURVEY CONTROL
AI1406
AI1406 ELLIP H (06/27/12) -21.557 (m) GP(2010.00) 0 0
AI1406 NAD 83(2011)- 36 57 31.13540(N) 076 33 23.90277(W) AD(2010.00) c
AI1406 NAD 83(2011)- 36 57 31.13606(N) 076 33 23.90247(W) AD(2010.00) c
AI1406 ELLIP H (08/??/11) -21.573 (m) GP(2010.00) c c
AI1406 ELLIP H (02/10/07) -21.530 (m) GP(2002.00)
AI1406 NAD 83(2007)- 36 57 31.13557(N) 076 33 23.90354(W) AD(2002.00) c
AI1406 NAD 83(CORS)- 36 57 31.13560(N) 076 33 23.90343(W) AD(2002.00) c
AI1406 ELLIP H (07/??/06) -21.542 (m) GP(2002.00) c c
AI1406 NAD 83(CORS)- 36 57 31.13611(N) 076 33 23.90299(W) AD(2002.00) c
AI1406 ELLIP H (05/??/06) -21.373 (m) GP(2002.00) c c
AI1406 NAD 83(CORS)- 36 57 31.13557(N) 076 33 23.90354(W) AD(2002.00) c
AI1406 ELLIP H (03/??/02) -21.530 (m) GP(2002.00) c c
AI1406 NAD 83(CORS)- 36 57 31.13551(N) 076 33 23.90388(W) AD(1997.00) c
AI1406 ELLIP H (08/??/99) -21.511 (m) GP(1997.00) c c
AI1406
AI1406.Superseded values are not recommended for survey control.
AI1406
AI1406.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AI1406.See file dsdata.pdf to determine how the superseded data were derived.
AI1406
AI1406_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
AI1406
AI1406 STATION DESCRIPTION
AI1406
AI1406'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
AI1406'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
AI1406'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
AI1406'ACCESSIBLE AT THE WORLDWIDE WEB.
AI1406'https://geodesy.noaa.gov/CORS/data.shtml
AI1406'https://geodesy.noaa.gov/CORS
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