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 14:55:11 EST
DK6423 ***********************************************************************
DK6423 CORS - This is a GPS Continuously Operating Reference Station.
DK6423 DESIGNATION - BIORKA ISLAND 5 CORS ARP
DK6423 CORS_ID - BIS5
DK6423 PID - DK6423
DK6423 STATE/COUNTY- AK/SITKA BOROUGH
DK6423 COUNTRY - US
DK6423 USGS QUAD - PORT ALEXANDER D-5 SW (2017)
DK6423
DK6423 *CURRENT SURVEY CONTROL
DK6423 ______________________________________________________________________
DK6423* NAD 83(2011) POSITION- 56 51 16.16442(N) 135 32 21.38806(W) ADJUSTED
DK6423* NAD 83(2011) ELLIP HT- 66.662 (meters) (06/??/19) ADJUSTED
DK6423* NAD 83(2011) EPOCH - 2010.00
DK6423 ______________________________________________________________________
DK6423 GEOID HEIGHT - 0.136 (meters) GEOID12B
DK6423 NAD 83(2011) X - -2,494,920.421 (meters) COMP
DK6423 NAD 83(2011) Y - -2,448,392.022 (meters) COMP
DK6423 NAD 83(2011) Z - 5,317,113.461 (meters) COMP
DK6423
DK6423 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DK6423 Standards:
DK6423 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DK6423 Horiz Ellip SD_N SD_E SD_h (unitless)
DK6423 -------------------------------------------------------------------
DK6423 NETWORK 0.19 0.43 0.09 0.06 0.22 0.21139300
DK6423 -------------------------------------------------------------------
DK6423
DK6423.The coordinates were established by GPS observations
DK6423.and adjusted by the National Geodetic Survey in June 2019.
DK6423
DK6423.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DK6423.been affixed to the stable North American Tectonic Plate.
DK6423
DK6423.The coordinates are valid at the epoch date displayed above
DK6423.which is a decimal equivalence of Year/Month/Day.
DK6423
DK6423.Due to the release of the International GNSS Service (IGS) 2014
DK6423.realization of the International Terrestrial Reference Frame of 2014
DK6423.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DK6423.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DK6423.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DK6423.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DK6423.currently published epoch of 2010.00.
DK6423
DK6423.Additional information on MYCS2 is available at
DK6423.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DK6423
DK6423.Significant digits in the geoid height do not necessarily reflect accuracy.
DK6423.GEOID12B height accuracy estimate available here.
DK6423
DK6423.The PID for the CORS L1 Phase Center is DK6424.
DK6423
DK6423.Click photographs - Photos may exist for this station.
DK6423
DK6423.The XYZ, and position/ellipsoidal ht. are equivalent.
DK6423
DK6423.The ellipsoidal height was determined by GPS observations
DK6423.and is referenced to NAD 83.
DK6423
DK6423. The following values were computed from the NAD 83(2011) position.
DK6423
DK6423; North East Units Scale Factor Converg.
DK6423;UTM 08 - 6,301,318.217 467,112.666 MT 0.99961326 -0 27 05.5
DK6423
DK6423! - Elev Factor x Scale Factor = Combined Factor
DK6423!UTM 08 - 0.99998956 x 0.99961326 = 0.99960283
DK6423
DK6423_U.S. NATIONAL GRID SPATIAL ADDRESS: 8VMJ6711201318(NAD 83)
DK6423
DK6423 SUPERSEDED SURVEY CONTROL
DK6423
DK6423 NAD 83(2011)- 56 51 16.16417(N) 135 32 21.38836(W) AD(2010.00) c
DK6423 ELLIP H (01/??/13) 66.660 (m) GP(2010.00) c c
DK6423 NAD 83(2011)- 56 51 16.16495(N) 135 32 21.38749(W) AD(2010.00) c
DK6423 ELLIP H (08/??/11) 66.656 (m) GP(2010.00) c c
DK6423 NAD 83(CORS)- 56 51 16.16206(N) 135 32 21.38734(W) AD(2003.00) c
DK6423 ELLIP H (08/??/08) 66.623 (m) GP(2003.00) c c
DK6423
DK6423.Superseded values are not recommended for survey control.
DK6423
DK6423.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DK6423.See file dsdata.pdf to determine how the superseded data were derived.
DK6423
DK6423_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DK6423
DK6423 STATION DESCRIPTION
DK6423
DK6423'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
DK6423'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DK6423'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DK6423'ACCESSIBLE AT THE WORLDWIDE WEB.
DK6423'https://geodesy.noaa.gov/CORS/data.shtml
DK6423'https://geodesy.noaa.gov/CORS
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