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[aprssig] Fundamental APRS capacity

Earl Needham needhame1 at plateautel.net
Mon Oct 4 05:52:42 UTC 2004

At 09:45 PM 10/3/2004, Robert Bruninga wrote:
>Fundamental APRS channel capacity:
>There is a limit to APRS throughput on 144.39 or any frequency.
>That limit has been said to be about 60 stations.  No matter
>where you live or how dense or sparse the activity, the 1200
>baud channel can only handle a certain maximum number of
>packets before reliability to others falls off.
>Draw a circle around your nearest 60 stations, and if you are
>sending packets beyond that range, you are being inconsiderate
>and adding QRM to others.  In LA, the range of that circle may
>only be 15 miles.  In Wyoming, it might be 100 miles.
>Doesnt matter the size, only the number of stations.

         Wasn't there a map page on findu that showed exactly this?

         What was that link again?  Anybody?


Earl Needham, KD5XB, Clovis, New Mexico  DM84jk

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