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 20, 2025 06:18:28 EST
DG9787 ***********************************************************************
DG9787 HT_MOD - This is a Height Modernization Survey Station.
DG9787 CORS - This is a GPS Continuously Operating Reference Station.
DG9787 DESIGNATION - WILLOW RUN CORS ARP
DG9787 CORS_ID - WRUN
DG9787 PID - DG9787
DG9787 STATE/COUNTY- MI/WAYNE
DG9787 COUNTRY - US
DG9787 USGS QUAD - YPSILANTI EAST (2017)
DG9787
DG9787 *CURRENT SURVEY CONTROL
DG9787 ______________________________________________________________________
DG9787* NAD 83(2011) POSITION- 42 14 05.14936(N) 083 32 30.05739(W) ADJUSTED
DG9787* NAD 83(2011) ELLIP HT- 187.726 (meters) (07/??/20) ADJUSTED
DG9787* NAD 83(2011) EPOCH - 2010.00
DG9787* NAVD 88 ORTHO HEIGHT - 222.01 (meters) 728.4 (feet) GPS OBS
DG9787 ______________________________________________________________________
DG9787 NAVD 88 orthometric height was determined with geoid model GEOID03
DG9787 GEOID HEIGHT - -34.222 (meters) GEOID03
DG9787 GEOID HEIGHT - -34.279 (meters) GEOID18
DG9787 NAD 83(2011) X - 531,992.710 (meters) COMP
DG9787 NAD 83(2011) Y - -4,699,635.112 (meters) COMP
DG9787 NAD 83(2011) Z - 4,265,072.843 (meters) COMP
DG9787
DG9787 Network accuracy estimates per FGDC Geospatial Positioning Accuracy
DG9787 Standards:
DG9787 FGDC (95% conf, cm) Standard deviation (cm) CorrNE
DG9787 Horiz Ellip SD_N SD_E SD_h (unitless)
DG9787 -------------------------------------------------------------------
DG9787 NETWORK 0.15 0.28 0.04 0.07 0.14 -0.23672400
DG9787 -------------------------------------------------------------------
DG9787
DG9787.The coordinates were established by GPS observations
DG9787.and adjusted by the National Geodetic Survey in July 2020.
DG9787
DG9787.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has
DG9787.been affixed to the stable North American Tectonic Plate.
DG9787
DG9787.The coordinates are valid at the epoch date displayed above
DG9787.which is a decimal equivalence of Year/Month/Day.
DG9787
DG9787.Due to the release of the International GNSS Service (IGS) 2014
DG9787.realization of the International Terrestrial Reference Frame of 2014
DG9787.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DG9787.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DG9787.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DG9787.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DG9787.currently published epoch of 2010.00.
DG9787
DG9787.Additional information on MYCS2 is available at
DG9787.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DG9787
DG9787.The orthometric height was determined by GPS observations and a
DG9787.high-resolution geoid model using precise GPS observation and
DG9787.processing techniques.
DG9787
DG9787.Significant digits in the geoid height do not necessarily reflect accuracy.
DG9787.GEOID18 height accuracy estimate available here.
DG9787
DG9787.The PID for the CORS L1 Phase Center is DR5940.
DG9787
DG9787.Click photographs - Photos may exist for this station.
DG9787
DG9787.The XYZ, and position/ellipsoidal ht. are equivalent.
DG9787
DG9787.The ellipsoidal height was determined by GPS observations
DG9787.and is referenced to NAD 83.
DG9787
DG9787. The following values were computed from the NAD 83(2011) position.
DG9787
DG9787; North East Units Scale Factor Converg.
DG9787;SPC MI S - 81,950.060 4,068,095.673 MT 0.99997082 +0 33 41.1
DG9787;SPC MI S - 268,865.03 13,346,770.58 iFT 0.99997082 +0 33 41.1
DG9787;UTM 17 - 4,678,970.208 290,272.624 MT 1.00014124 -1 42 32.6
DG9787
DG9787! - Elev Factor x Scale Factor = Combined Factor
DG9787!SPC MI S - 0.99997056 x 0.99997082 = 0.99994138
DG9787!UTM 17 - 0.99997056 x 1.00014124 = 1.00011179
DG9787
DG9787_U.S. NATIONAL GRID SPATIAL ADDRESS: 17TKG9027278970(NAD 83)
DG9787
DG9787 SUPERSEDED SURVEY CONTROL
DG9787
DG9787 NAD 83(2011)- 42 14 05.14938(N) 083 32 30.05752(W) AD(2010.00) c
DG9787 ELLIP H (06/??/19) 187.735 (m) GP(2010.00) c c
DG9787 ELLIP H (06/27/12) 187.735 (m) GP(2010.00) 0 0
DG9787 NAD 83(2011)- 42 14 05.14928(N) 083 32 30.05714(W) AD(2010.00) c
DG9787 NAD 83(2011)- 42 14 05.14932(N) 083 32 30.05727(W) AD(2010.00) c
DG9787 ELLIP H (08/??/11) 187.722 (m) GP(2010.00) c c
DG9787 NAD 83(CORS)- 42 14 05.14941(N) 083 32 30.05787(W) AD(2002.00) c
DG9787 ELLIP H (04/??/05) 187.742 (m) GP(2002.00) c c
DG9787
DG9787.Superseded values are not recommended for survey control.
DG9787
DG9787.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DG9787.See file dsdata.pdf to determine how the superseded data were derived.
DG9787
DG9787_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DG9787
DG9787 STATION DESCRIPTION
DG9787
DG9787'DESCRIBED BY NATIONAL GEODETIC SURVEY 2020
DG9787'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DG9787'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DG9787'ACCESSIBLE AT THE WORLDWIDE WEB.
DG9787'https://geodesy.noaa.gov/CORS/data.shtml
DG9787'https://geodesy.noaa.gov/CORS
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