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 13:43:30 EST
DM7496 ***********************************************************************
DM7496 CORS - This is a GPS Continuously Operating Reference Station.
DM7496 DESIGNATION - SEAL_ROCKSAK2007 CORS ARP
DM7496 CORS_ID - AC43
DM7496 PID - DM7496
DM7496 STATE/COUNTY- AK/KENAI PENINSULA BOROUGH
DM7496 COUNTRY - US
DM7496 USGS QUAD - BLYING SOUND C-8 SE (2017)
DM7496
DM7496 *CURRENT SURVEY CONTROL
DM7496 ______________________________________________________________________
DM7496* NAD 83(2011) POSITION- 59 31 16.60875(N) 149 37 43.36451(W) ADJUSTED
DM7496* NAD 83(2011) ELLIP HT- 69.093 (meters) (10/??/20) ADJUSTED
DM7496* NAD 83(2011) EPOCH - 2010.00
DM7496 ______________________________________________________________________
DM7496 GEOID HEIGHT - 10.719 (meters) GEOID12B
DM7496 NAD 83(2011) X - -2,798,139.955 (meters) COMP
DM7496 NAD 83(2011) Y - -1,639,774.635 (meters) COMP
DM7496 NAD 83(2011) Z - 5,473,677.380 (meters) COMP
DM7496
DM7496 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DM7496 Standards:
DM7496 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DM7496 Horiz Ellip SD_N SD_E SD_h (unitless)
DM7496 -------------------------------------------------------------------
DM7496 NETWORK 0.14 0.39 0.07 0.04 0.20 0.04006200
DM7496 -------------------------------------------------------------------
DM7496
DM7496.The coordinates were established by GPS observations
DM7496.and adjusted by the National Geodetic Survey in October 2020.
DM7496
DM7496.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DM7496.been affixed to the stable North American Tectonic Plate.
DM7496
DM7496.The coordinates are valid at the epoch date displayed above
DM7496.which is a decimal equivalence of Year/Month/Day.
DM7496
DM7496.Due to the release of the International GNSS Service (IGS) 2014
DM7496.realization of the International Terrestrial Reference Frame of 2014
DM7496.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DM7496.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DM7496.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DM7496.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DM7496.currently published epoch of 2010.00.
DM7496
DM7496.Additional information on MYCS2 is available at
DM7496.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DM7496
DM7496.Significant digits in the geoid height do not necessarily reflect accuracy.
DM7496.GEOID12B height accuracy estimate available here.
DM7496
DM7496.The PID for the CORS L1 Phase Center is DM7497.
DM7496
DM7496.Click photographs - Photos may exist for this station.
DM7496
DM7496.The XYZ, and position/ellipsoidal ht. are equivalent.
DM7496
DM7496.The ellipsoidal height was determined by GPS observations
DM7496.and is referenced to NAD 83.
DM7496
DM7496. The following values were computed from the NAD 83(2011) position.
DM7496
DM7496; North East Units Scale Factor Converg.
DM7496;UTM 06 - 6,601,040.009 351,288.731 MT 0.99987105 -2 15 57.2
DM7496
DM7496! - Elev Factor x Scale Factor = Combined Factor
DM7496!UTM 06 - 0.99998918 x 0.99987105 = 0.99986024
DM7496
DM7496_U.S. NATIONAL GRID SPATIAL ADDRESS: 6VUM5128801040(NAD 83)
DM7496
DM7496 SUPERSEDED SURVEY CONTROL
DM7496
DM7496 NAD 83(2011)- 59 31 16.60874(N) 149 37 43.36399(W) AD(2010.00) c
DM7496 ELLIP H (02/??/20) 69.093 (m) GP(2010.00) c c
DM7496 NAD 83(2011)- 59 31 16.60892(N) 149 37 43.36374(W) AD(2010.00) c
DM7496 ELLIP H (06/??/19) 69.093 (m) GP(2010.00) c c
DM7496 NAD 83(2011)- 59 31 16.60838(N) 149 37 43.36203(W) AD(2010.00) c
DM7496 ELLIP H (12/??/11) 69.132 (m) GP(2010.00) c c
DM7496 NAD 83(CORS)- 59 31 16.60115(N) 149 37 43.35631(W) AD(2003.00) c
DM7496 ELLIP H (05/??/11) 69.126 (m) GP(2003.00) c c
DM7496
DM7496.Superseded values are not recommended for survey control.
DM7496
DM7496.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DM7496.See file dsdata.pdf to determine how the superseded data were derived.
DM7496
DM7496_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DM7496
DM7496 STATION DESCRIPTION
DM7496
DM7496'DESCRIBED BY NATIONAL GEODETIC SURVEY 2020
DM7496'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DM7496'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DM7496'ACCESSIBLE AT THE WORLDWIDE WEB.
DM7496'https://geodesy.noaa.gov/CORS/data.shtml
DM7496'https://geodesy.noaa.gov/CORS
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