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 GPS Info. Links

Sources of GPS Constellation Status and Other Information

  • U.S. Coast Guard Navigation Information Service. This site provides user advisories, GPS constellation status and other user information. http://www.navcen.uscg.mil
  • University of New Brunswick. This site provides GPS constellation status and ionospheric disturbance warnings. /http://gauss.gge.unb.ca/CANSPACE.html
  • U.S. National Geodetic Survey. This site provides precise tracking data. http://www.ngs.noaa.gov/orbits
  • Scripps Orbit and Permanent Array Center. Provides orbit data. http://lox.ucsd.edu
  • US Naval Observatory. Timing and status data. http://tycho.usno.navy.mil/gps.html
  • ION GNSS Conference  http://www.ion.org
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