[aprssig] APRS needs...

[Scott Miller]

But lacking the resources to deploy lots and lots of digis (which will 
each cost the same as a 'big' digi), and a back-haul network to connect 
them without tying up the input channel, I just don't see that being a 
fix everywhere.  Cell sites also have the ability to run separate 
frequencies on adjacent cells, but we don't.

Scott
N1VG

Robert Bruninga wrote:
>> In response to "build it and they will come": 
>> APRS is already saturated in my area. 1200 baud 
>> is a no-go for any new device. 
> 
> There is plenty of room on the 1200 baud channel if it is
> needed.  But the sysops have to plan for it by reducing the
> coverage of the digis.  Its like the cell phone system.  You can
> always increase capacity, simply by making the cells smaller.
> 
> If the local channel is saturated, then the sysops can either
> reduce the digi hops to one (as we did in LA) or replace the
> very wide area digis with more-but-lower digis.  Or other
> techniques.  
> 
> I took that note above out of context but it is worthy to note
> that APRS 1200 baud networks do need to be managed to keep the
> network working optimally.  And the New-N paradigm gave the
> sysops the tools to work with.
> 
> Our 144.39 went from wall-to wall QRM down to maybe  a few
> packets evey 15 seconds or so, and yet we still see everything
> we need to see in our local area...  But much more reliably...
> 
> Bob
> 
> 
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