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 12:55:36 EST
DH7123 ***********************************************************************
DH7123 HT_MOD - This is a Height Modernization Survey Station.
DH7123 CORS - This is a GPS Continuously Operating Reference Station.
DH7123 DESIGNATION - SOMERSET CTR DEV CORS ARP
DH7123 CORS_ID - KYSC
DH7123 PID - DH7123
DH7123 STATE/COUNTY- KY/PULASKI
DH7123 COUNTRY - US
DH7123 USGS QUAD - SOMERSET (2019)
DH7123
DH7123 *CURRENT SURVEY CONTROL
DH7123 ______________________________________________________________________
DH7123* NAD 83(2011) POSITION- 37 03 33.11512(N) 084 37 09.03072(W) ADJUSTED
DH7123* NAD 83(2011) ELLIP HT- 244.196 (meters) (06/??/19) ADJUSTED
DH7123* NAD 83(2011) EPOCH - 2010.00
DH7123* NAVD 88 ORTHO HEIGHT - 274.40 (meters) 900.3 (feet) GPS OBS
DH7123 ______________________________________________________________________
DH7123 NAVD 88 orthometric height was determined with geoid model GEOID03
DH7123 GEOID HEIGHT - -30.189 (meters) GEOID03
DH7123 GEOID HEIGHT - -30.211 (meters) GEOID18
DH7123 NAD 83(2011) X - 477,899.736 (meters) COMP
DH7123 NAD 83(2011) Y - -5,073,774.467 (meters) COMP
DH7123 NAD 83(2011) Z - 3,822,785.122 (meters) COMP
DH7123
DH7123 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DH7123 Standards:
DH7123 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DH7123 Horiz Ellip SD_N SD_E SD_h (unitless)
DH7123 -------------------------------------------------------------------
DH7123 NETWORK 0.23 0.53 0.07 0.11 0.27 -0.09370700
DH7123 -------------------------------------------------------------------
DH7123
DH7123.The coordinates were established by GPS observations
DH7123.and adjusted by the National Geodetic Survey in June 2019.
DH7123
DH7123.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DH7123.been affixed to the stable North American Tectonic Plate.
DH7123
DH7123.The coordinates are valid at the epoch date displayed above
DH7123.which is a decimal equivalence of Year/Month/Day.
DH7123
DH7123.Due to the release of the International GNSS Service (IGS) 2014
DH7123.realization of the International Terrestrial Reference Frame of 2014
DH7123.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DH7123.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DH7123.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DH7123.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DH7123.currently published epoch of 2010.00.
DH7123
DH7123.Additional information on MYCS2 is available at
DH7123.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DH7123
DH7123.The orthometric height was determined by GPS observations and a
DH7123.high-resolution geoid model using precise GPS observation and
DH7123.processing techniques.
DH7123
DH7123.Significant digits in the geoid height do not necessarily reflect accuracy.
DH7123.GEOID18 height accuracy estimate available here.
DH7123
DH7123.The PID for the CORS L1 Phase Center is DH7124.
DH7123
DH7123.Click photographs - Photos may exist for this station.
DH7123
DH7123.The XYZ, and position/ellipsoidal ht. are equivalent.
DH7123
DH7123.The ellipsoidal height was determined by GPS observations
DH7123.and is referenced to NAD 83.
DH7123
DH7123. The following values were computed from the NAD 83(2011) position.
DH7123
DH7123; North East Units Scale Factor Converg.
DH7123;SPC KY1Z - 1,081,169.873 1,600,576.646 MT 1.00000586 +0 41 39.4
DH7123;SPC KY1Z - 3,547,138.16 5,251,225.21 sFT 1.00000586 +0 41 39.4
DH7123;SPC KY S - 581,153.694 600,571.777 MT 0.99995685 +0 41 08.9
DH7123;SPC KY S - 1,906,668.41 1,970,375.91 sFT 0.99995685 +0 41 08.9
DH7123;UTM 16 - 4,104,090.894 711,688.913 MT 1.00015207 +1 26 07.1
DH7123
DH7123! - Elev Factor x Scale Factor = Combined Factor
DH7123!SPC KY1Z - 0.99996168 x 1.00000586 = 0.99996754
DH7123!SPC KY S - 0.99996168 x 0.99995685 = 0.99991853
DH7123!UTM 16 - 0.99996168 x 1.00015207 = 1.00011374
DH7123
DH7123_U.S. NATIONAL GRID SPATIAL ADDRESS: 16SGG1168804090(NAD 83)
DH7123
DH7123 SUPERSEDED SURVEY CONTROL
DH7123
DH7123 ELLIP H (06/27/12) 244.197 (m) GP(2010.00) 0 0
DH7123 NAD 83(2011)- 37 03 33.11509(N) 084 37 09.03069(W) AD(2010.00) c
DH7123 NAD 83(2011)- 37 03 33.11515(N) 084 37 09.03065(W) AD(2010.00) c
DH7123 ELLIP H (08/??/11) 244.203 (m) GP(2010.00) c c
DH7123 NAD 83(CORS)- 37 03 33.11515(N) 084 37 09.03117(W) AD(2002.00) c
DH7123 ELLIP H (11/??/05) 244.200 (m) GP(2002.00) c c
DH7123
DH7123.Superseded values are not recommended for survey control.
DH7123
DH7123.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DH7123.See file dsdata.pdf to determine how the superseded data were derived.
DH7123
DH7123_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DH7123
DH7123 STATION DESCRIPTION
DH7123
DH7123'DESCRIBED BY NATIONAL GEODETIC SURVEY 2019
DH7123'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DH7123'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DH7123'ACCESSIBLE AT THE WORLDWIDE WEB.
DH7123'https://geodesy.noaa.gov/CORS/data.shtml
DH7123'https://geodesy.noaa.gov/CORS
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