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 16:59:00 EST
DE8140 ***********************************************************************
DE8140 CORS - This is a GPS Continuously Operating Reference Station.
DE8140 DESIGNATION - CORNERSTONE COOP CORS ARP
DE8140 CORS_ID - CMS1
DE8140 PID - DE8140
DE8140 STATE/COUNTY- TX/HARRIS
DE8140 COUNTRY - US
DE8140 USGS QUAD - HOUSTON HEIGHTS (2019)
DE8140
DE8140 *CURRENT SURVEY CONTROL
DE8140 ______________________________________________________________________
DE8140* NAD 83(CORS) POSITION- 29 47 07.14420(N) 095 27 21.53599(W) ADJUSTED
DE8140* NAD 83(CORS) ELLIP HT- -2.622 (meters) (10/??/02) ADJUSTED
DE8140* NAD 83(CORS) EPOCH - 2002.00
DE8140 **This station is in an area of suspected vertical motion (see below).
DE8140 ______________________________________________________________________
DE8140 GEOID HEIGHT - -27.392 (meters) GEOID18
DE8140 NAD 83(CORS) X - -526,759.665 (meters) COMP
DE8140 NAD 83(CORS) Y - -5,515,015.278 (meters) COMP
DE8140 NAD 83(CORS) Z - 3,149,740.816 (meters) COMP
DE8140 HORZ ORDER - SPECIAL (CORS)
DE8140 ELLP ORDER - SPECIAL (CORS)
DE8140
DE8140.Formal positional accuracy estimates are not available for this CORS
DE8140.because its coordinates were determined in part using modeled
DE8140.velocities. Approximate one-sigma accuracies for latitude, longitude,
DE8140.and ellipsoid height can be obtained from the short-term time series.
DE8140.Additional information regarding modeled velocities is available on
DE8140.the CORS Coordinates for MYCS2 web page:
DE8140.https://www.ngs.noaa.gov/CORS/news/mycs2/mycs2.shtml.
DE8140
DE8140.The coordinates were established by GPS observations
DE8140.and adjusted by the National Geodetic Survey in October 2002.
DE8140
DE8140.The datum tag of NAD 83(CORS) is equivalent to NAD 83(CORS96).
DE8140
DE8140.The coordinates are valid at the epoch date displayed above
DE8140.which is a decimal equivalence of Year/Month/Day.
DE8140
DE8140.Due to the release of the International GNSS Service (IGS) 2014
DE8140.realization of the International Terrestrial Reference Frame of 2014
DE8140.(ITRF2014), NGS reprocessed all NOAA CORS Network and some IGS stations
DE8140.using data collected between 1/1/1996 and 1/30/2017. The resulting ITRF2014
DE8140.epoch 2010.00 coordinates, referred to as Multi-Year CORS Solution 2
DE8140.(MYCS2), were transformed to NAD 83 (2011/PA11/MA11) maintaining the
DE8140.currently published epoch of 2010.00.
DE8140
DE8140.Additional information on MYCS2 is available at
DE8140.https://geodesy.noaa.gov/CORS/news/mycs2/mycs2.shtml
DE8140
DE8140.** This station is in an area of suspected land subsidence, uplift, or
DE8140.** crustal motion. NGS recommends this and all published orthometric
DE8140.** heights in such areas be validated before use as vertical control.
DE8140.** Click here to see a list and map of nearby stations with valid
DE8140.** orthometric heights. Note: While datasheets are updated in real-time,
DE8140.** updates to archived datasheets and the SE TX Valid OH map occur
DE8140.** monthly. NGS discourages the use of scaled, VERTCON, or superseded
DE8140.** heights as vertical control as they are deemed unreliable.
DE8140.**
DE8140.** If an established orthometric height is unavailable in the survey control
DE8140.** section, it should be considered suspect. To view suspect heights,
DE8140.** (in the superseded section), select 'Include suspect heights in vertical
DE8140.** motion areas' box from the datasheet retrieval page.
DE8140
DE8140.Significant digits in the geoid height do not necessarily reflect accuracy.
DE8140.GEOID18 height accuracy estimate available here.
DE8140
DE8140.The PID for the CORS L1 Phase Center is DG5349.
DE8140
DE8140.Click photographs - Photos may exist for this station.
DE8140
DE8140.The XYZ, and position/ellipsoidal ht. are equivalent.
DE8140
DE8140.The ellipsoidal height was determined by GPS observations
DE8140.and is referenced to NAD 83.
DE8140
DE8140. The following values were computed from the NAD 83(CORS) position.
DE8140
DE8140; North East Units Scale Factor Converg.
DE8140;SPC TXSC - 4,221,524.770 942,593.951 MT 0.99989404 +1 44 10.5
DE8140;SPC TXSC -13,850,119.18 3,092,493.65 sFT 0.99989404 +1 44 10.5
DE8140;UTM 15 - 3,297,525.909 262,580.922 MT 1.00029553 -1 13 14.1
DE8140
DE8140! - Elev Factor x Scale Factor = Combined Factor
DE8140!SPC TXSC - 1.00000041 x 0.99989404 = 0.99989445
DE8140!UTM 15 - 1.00000041 x 1.00029553 = 1.00029594
DE8140
DE8140_U.S. NATIONAL GRID SPATIAL ADDRESS: 15RTN6258097525(NAD 83)
DE8140
DE8140 SUPERSEDED SURVEY CONTROL
DE8140
DE8140.No superseded survey control is available for this station.
DE8140
DE8140_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
DE8140
DE8140 STATION DESCRIPTION
DE8140
DE8140'DESCRIBED BY NATIONAL GEODETIC SURVEY 2002
DE8140'STATION IS PART OF THE NOAA CORS NETWORK. LATEST INFORMATION INCLUDING
DE8140'POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE AND LOG FILES
DE8140'ACCESSIBLE AT THE WORLDWIDE WEB.
DE8140'https://geodesy.noaa.gov/CORS/data.shtml
DE8140'https://geodesy.noaa.gov/CORS
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