GPS News

These are some sources of updated GPS constellation information:

US Coast Guard NANU List at http://www.navcen.uscg.gov/ado/GpsActiveNanu.asp
USNO list of active NANUs at ftp://tycho.usno.navy.mil/pub/gps/gps.txt.
USNO constellation status at ftp://tycho.usno.navy.mil/pub/gps/gpstd.txt
CANSPACE archive located at http://listserv.unb.ca/archives/canspace.html .

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IR.Last Update: June 2001