[aprssig] How about DSC? was: Global FRS radio like AVRS
oh2kku at iki.fi
Tue Feb 28 01:45:47 CST 2006
Mark Fellhauer wrote:
> 538070070-MHL;(routine);from;998877666;Position N33° 12' W117° 23'
> EOS;06-02-27 01:09:18
> The noted LAT/LON doesn't quite put that boat in the ocean, but about
> 2000 feet inland, and the MMSI is not valid either. But hey, the boat
> could be sitting on a trailer on Windward Way in Oceanside, I guess.
Basic DSC only does locations to the nearest full minute, thus the
position resolution is one nautical mile in N/S direction and a bit
better in E/W direction. With AIS you can see the big ships with better
resolution and more regularly.
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