[aprssig] 9600b UHF APRS IS THE FUTURE OF APRS
wa7nwp at jnos.org
wa7nwp at jnos.org
Mon Oct 9 13:32:07 EDT 2006
>> It's not the coverage that's the problem, it's the number of users in
>> the collision domain and the size of the aloha circle vs. digipeater
>> location and user paths.
>
> So, a system which can cover less area (at reasonable HAAT given the
> expected
> coverage area), will have a better performance margin from my perspective.
Don't forget "packet time" is also part of the equation. A 9600 baud
network with packets 1/4 the size of a 1200 baud network can handle 4X
(give or take) the number of users in its Aloha circle.
Bill - WA7NWP
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