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| GNSS Home | Royal Observatory of Belgium | KSB Home |
These are sources of updated GPS constellation information:
| US Coast Guard NANU List at: |
http://www.navcen.uscg.gov/ADO/GpsActiveNanu.asp |
| USNO list of active NANU 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 |