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 16:46:01 EST
DI2254 ***********************************************************************
DI2254 CORS - This is a GPS Continuously Operating Reference Station.
DI2254 DESIGNATION - CLEARWATERMT2006 CORS ARP
DI2254 CORS_ID - P046
DI2254 PID - DI2254
DI2254 STATE/COUNTY- MT/MISSOULA
DI2254 COUNTRY - US
DI2254 USGS QUAD - WOODWORTH (2017)
DI2254
DI2254 *CURRENT SURVEY CONTROL
DI2254 ______________________________________________________________________
DI2254* NAD 83(2011) POSITION- 47 01 46.52357(N) 113 19 54.18527(W) ADJUSTED
DI2254* NAD 83(2011) ELLIP HT- 1290.844 (meters) (06/??/19) ADJUSTED
DI2254* NAD 83(2011) EPOCH - 2010.00
DI2254 ______________________________________________________________________
DI2254 GEOID HEIGHT - -13.807 (meters) GEOID18
DI2254 NAD 83(2011) X - -1,725,274.540 (meters) COMP
DI2254 NAD 83(2011) Y - -3,999,945.996 (meters) COMP
DI2254 NAD 83(2011) Z - 4,644,952.147 (meters) COMP
DI2254
DI2254 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DI2254 Standards:
DI2254 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DI2254 Horiz Ellip SD_N SD_E SD_h (unitless)
DI2254 -------------------------------------------------------------------
DI2254 NETWORK 0.20 0.55 0.09 0.07 0.28 0.15430700
DI2254 -------------------------------------------------------------------
DI2254
DI2254.The coordinates were established by GPS observations
DI2254.and adjusted by the National Geodetic Survey in June 2019.
DI2254
DI2254.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DI2254.been affixed to the stable North American Tectonic Plate.
DI2254
DI2254.The coordinates are valid at the epoch date displayed above
DI2254.which is a decimal equivalence of Year/Month/Day.
DI2254
DI2254.Due to the release of the International GNSS Service (IGS) 2014
DI2254.realization of the International Terrestrial Reference Frame of 2014
DI2254.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DI2254.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DI2254.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DI2254.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DI2254.currently published epoch of 2010.00.
DI2254
DI2254.Additional information on MYCS2 is available at
DI2254.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DI2254
DI2254.Significant digits in the geoid height do not necessarily reflect accuracy.
DI2254.GEOID18 height accuracy estimate available here.
DI2254
DI2254.The PID for the CORS L1 Phase Center is DQ6467.
DI2254
DI2254.Click photographs - Photos may exist for this station.
DI2254
DI2254.The XYZ, and position/ellipsoidal ht. are equivalent.
DI2254
DI2254.The ellipsoidal height was determined by GPS observations
DI2254.and is referenced to NAD 83.
DI2254
DI2254. The following values were computed from the NAD 83(2011) position.
DI2254
DI2254; North East Units Scale Factor Converg.
DI2254;SPC MT - 315,983.551 309,028.764 MT 0.99939268 -2 48 10.5
DI2254;SPC MT - 1,036,691.44 1,013,873.90 iFT 0.99939268 -2 48 10.5
DI2254;UTM 12 - 5,211,090.875 322,831.082 MT 0.99998579 -1 42 23.7
DI2254
DI2254! - Elev Factor x Scale Factor = Combined Factor
DI2254!SPC MT - 0.99979770 x 0.99939268 = 0.99919050
DI2254!UTM 12 - 0.99979770 x 0.99998579 = 0.99978349
DI2254
DI2254_U.S. NATIONAL GRID SPATIAL ADDRESS: 12TUT2283111090(NAD 83)
DI2254
DI2254 SUPERSEDED SURVEY CONTROL
DI2254
DI2254 NAD 83(2011)- 47 01 46.52360(N) 113 19 54.18521(W) AD(2010.00) c
DI2254 ELLIP H (08/??/11) 1290.836 (m) GP(2010.00) c c
DI2254 NAD 83(CORS)- 47 01 46.52366(N) 113 19 54.18583(W) AD(2002.00) c
DI2254 ELLIP H (11/??/06) 1290.842 (m) GP(2002.00) c c
DI2254
DI2254.Superseded values are not recommended for survey control.
DI2254
DI2254.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DI2254.See file dsdata.pdf to determine how the superseded data were derived.
DI2254
DI2254_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DI2254
DI2254 STATION DESCRIPTION
DI2254
DI2254'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
DI2254'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DI2254'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DI2254'ACCESSIBLE AT THE WORLDWIDE WEB.
DI2254'https://geodesy.noaa.gov/CORS/data.shtml
DI2254'https://geodesy.noaa.gov/CORS
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