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 17, 2025 23:45:01 EST
DH4140 ***********************************************************************
DH4140 CORS - This is a GPS Continuously Operating Reference Station.
DH4140 DESIGNATION - COCHRAN CORS ARP
DH4140 CORS_ID - GACR
DH4140 PID - DH4140
DH4140 STATE/COUNTY- GA/BLECKLEY
DH4140 COUNTRY - US
DH4140 USGS QUAD - COCHRAN (2017)
DH4140
DH4140 *CURRENT SURVEY CONTROL
DH4140 ______________________________________________________________________
DH4140* NAD 83(2011) POSITION- 32 22 51.43557(N) 083 20 46.40581(W) ADJUSTED
DH4140* NAD 83(2011) ELLIP HT- 99.277 (meters) (05/??/20) ADJUSTED
DH4140* NAD 83(2011) EPOCH - 2010.00
DH4140 ______________________________________________________________________
DH4140 GEOID HEIGHT - -27.465 (meters) GEOID18
DH4140 NAD 83(2011) X - 624,726.038 (meters) COMP
DH4140 NAD 83(2011) Y - -5,355,321.538 (meters) COMP
DH4140 NAD 83(2011) Z - 3,396,234.930 (meters) COMP
DH4140
DH4140 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DH4140 Standards:
DH4140 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DH4140 Horiz Ellip SD_N SD_E SD_h (unitless)
DH4140 -------------------------------------------------------------------
DH4140 NETWORK 0.16 0.26 0.03 0.08 0.14 -0.12225500
DH4140 -------------------------------------------------------------------
DH4140
DH4140.The coordinates were established by GPS observations
DH4140.and adjusted by the National Geodetic Survey in May 2020.
DH4140
DH4140.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DH4140.been affixed to the stable North American Tectonic Plate.
DH4140
DH4140.The coordinates are valid at the epoch date displayed above
DH4140.which is a decimal equivalence of Year/Month/Day.
DH4140
DH4140.Due to the release of the International GNSS Service (IGS) 2014
DH4140.realization of the International Terrestrial Reference Frame of 2014
DH4140.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DH4140.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DH4140.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DH4140.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DH4140.currently published epoch of 2010.00.
DH4140
DH4140.Additional information on MYCS2 is available at
DH4140.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DH4140
DH4140.Significant digits in the geoid height do not necessarily reflect accuracy.
DH4140.GEOID18 height accuracy estimate available here.
DH4140
DH4140.The PID for the CORS L1 Phase Center is DR4819.
DH4140
DH4140.Click photographs - Photos may exist for this station.
DH4140
DH4140.The XYZ, and position/ellipsoidal ht. are equivalent.
DH4140
DH4140.The ellipsoidal height was determined by GPS observations
DH4140.and is referenced to NAD 83.
DH4140
DH4140. The following values were computed from the NAD 83(2011) position.
DH4140
DH4140; North East Units Scale Factor Converg.
DH4140;SPC GA W - 264,252.735 777,197.377 MT 0.99997347 +0 26 21.9
DH4140;SPC GA W - 866,969.18 2,549,855.06 sFT 0.99997347 +0 26 21.9
DH4140;UTM 17 - 3,585,083.915 279,281.306 MT 1.00020079 -1 15 25.3
DH4140
DH4140! - Elev Factor x Scale Factor = Combined Factor
DH4140!SPC GA W - 0.99998441 x 0.99997347 = 0.99995788
DH4140!UTM 17 - 0.99998441 x 1.00020079 = 1.00018520
DH4140
DH4140_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SKR7928185083(NAD 83)
DH4140
DH4140 SUPERSEDED SURVEY CONTROL
DH4140
DH4140 ELLIP H (06/??/19) 99.202 (m) GP(2010.00) c c
DH4140 NAD 83(2011)- 32 22 51.43550(N) 083 20 46.40573(W) AD(2010.00) c
DH4140 ELLIP H (08/??/11) 99.202 (m) GP(2010.00) c c
DH4140 NAD 83(CORS)- 32 22 51.43576(N) 083 20 46.40618(W) AD(2002.00) c
DH4140 ELLIP H (06/??/05) 99.193 (m) GP(2002.00) c c
DH4140
DH4140.Superseded values are not recommended for survey control.
DH4140
DH4140.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DH4140.See file dsdata.pdf to determine how the superseded data were derived.
DH4140
DH4140_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DH4140
DH4140 STATION DESCRIPTION
DH4140
DH4140'DESCRIBED BY NATIONAL GEODETIC SURVEY 2020
DH4140'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DH4140'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DH4140'ACCESSIBLE AT THE WORLDWIDE WEB.
DH4140'https://geodesy.noaa.gov/CORS/data.shtml
DH4140'https://geodesy.noaa.gov/CORS
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