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 18:19:01 EST
DM7481 ***********************************************************************
DM7481 CORS - This is a GPS Continuously Operating Reference Station.
DM7481 DESIGNATION - DRIFTRIVERAK2006 CORS ARP
DM7481 CORS_ID - AC17
DM7481 PID - DM7481
DM7481 STATE/COUNTY- AK/KENAI PENINSULA BOROUGH
DM7481 COUNTRY - US
DM7481 USGS QUAD - KENAI C-7 NE (2017)
DM7481
DM7481 *CURRENT SURVEY CONTROL
DM7481 ______________________________________________________________________
DM7481* NAD 83(2011) POSITION- 60 39 50.05306(N) 152 24 13.75732(W) ADJUSTED
DM7481* NAD 83(2011) ELLIP HT- 882.148 (meters) (10/??/20) ADJUSTED
DM7481* NAD 83(2011) EPOCH - 2010.00
DM7481 ______________________________________________________________________
DM7481 GEOID HEIGHT - 11.368 (meters) GEOID12B
DM7481 NAD 83(2011) X - -2,776,806.037 (meters) COMP
DM7481 NAD 83(2011) Y - -1,451,443.299 (meters) COMP
DM7481 NAD 83(2011) Z - 5,537,859.557 (meters) COMP
DM7481
DM7481 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DM7481 Standards:
DM7481 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DM7481 Horiz Ellip SD_N SD_E SD_h (unitless)
DM7481 -------------------------------------------------------------------
DM7481 NETWORK 0.22 0.66 0.10 0.08 0.34 -0.08379800
DM7481 -------------------------------------------------------------------
DM7481
DM7481.The coordinates were established by GPS observations
DM7481.and adjusted by the National Geodetic Survey in October 2020.
DM7481
DM7481.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DM7481.been affixed to the stable North American Tectonic Plate.
DM7481
DM7481.The coordinates are valid at the epoch date displayed above
DM7481.which is a decimal equivalence of Year/Month/Day.
DM7481
DM7481.Due to the release of the International GNSS Service (IGS) 2014
DM7481.realization of the International Terrestrial Reference Frame of 2014
DM7481.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DM7481.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DM7481.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DM7481.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DM7481.currently published epoch of 2010.00.
DM7481
DM7481.Additional information on MYCS2 is available at
DM7481.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DM7481
DM7481.Significant digits in the geoid height do not necessarily reflect accuracy.
DM7481.GEOID12B height accuracy estimate available here.
DM7481
DM7481.The PID for the CORS L1 Phase Center is DQ5197.
DM7481
DM7481.Click photographs - Photos may exist for this station.
DM7481
DM7481.The XYZ, and position/ellipsoidal ht. are equivalent.
DM7481
DM7481.The ellipsoidal height was determined by GPS observations
DM7481.and is referenced to NAD 83.
DM7481
DM7481. The following values were computed from the NAD 83(2011) position.
DM7481
DM7481; North East Units Scale Factor Converg.
DM7481;UTM 05 - 6,725,500.141 532,584.635 MT 0.99961301 +0 31 11.0
DM7481
DM7481! - Elev Factor x Scale Factor = Combined Factor
DM7481!UTM 05 - 0.99986195 x 0.99961301 = 0.99947502
DM7481
DM7481_U.S. NATIONAL GRID SPATIAL ADDRESS: 5VNH3258425500(NAD 83)
DM7481
DM7481 SUPERSEDED SURVEY CONTROL
DM7481
DM7481 NAD 83(2011)- 60 39 50.05290(N) 152 24 13.75730(W) AD(2010.00) c
DM7481 ELLIP H (06/??/19) 882.148 (m) GP(2010.00) c c
DM7481 NAD 83(2011)- 60 39 50.05310(N) 152 24 13.75733(W) AD(2010.00) c
DM7481 ELLIP H (12/??/11) 882.144 (m) GP(2010.00) c c
DM7481 NAD 83(CORS)- 60 39 50.05563(N) 152 24 13.75893(W) AD(2003.00) c
DM7481 ELLIP H (05/??/11) 882.138 (m) GP(2003.00) c c
DM7481
DM7481.Superseded values are not recommended for survey control.
DM7481
DM7481.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DM7481.See file dsdata.pdf to determine how the superseded data were derived.
DM7481
DM7481_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DM7481
DM7481 STATION DESCRIPTION
DM7481
DM7481'DESCRIBED BY NATIONAL GEODETIC SURVEY 2020
DM7481'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DM7481'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DM7481'ACCESSIBLE AT THE WORLDWIDE WEB.
DM7481'https://geodesy.noaa.gov/CORS/data.shtml
DM7481'https://geodesy.noaa.gov/CORS
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