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[aprssig] Secondary links (Huntsville) for the AT experiment

Tim Cunningham tim_cunningham at charter.net
Tue Apr 7 17:12:51 UTC 2009


Bob,

W4GPS-7 on Green Mtn should provide some coverage.

W4SBO-7 from Scottsboro links to Lookout Mtn which links to W4GPS-7.

There may be another digipeater on that last Mountain into Huntsville soon, 
but it may not be in time. We are working on some others, but cutting right 
through the middle of "no man's"  land has not been a priority much like the 
cell phone coverage maps. Where there are users there is equipment...


73's,

Tim - N8DEU


----- Original Message ----- 
From: "Robert Bruninga" <bruninga at usna.edu>
To: "'TAPR APRS Mailing List'" <aprssig at tapr.org>
Cc: <n8deu at amsat.org>; <n8deu at arrl.net>
Sent: Tuesday, April 07, 2009 10:42 AM
Subject: Secondary links (Huntsville) for the AT experiment


> In addition to the 13 states with the Appalachian Trail, there
> is no reason why we cannot also have secondary outward linear
> links to other areas and states.
>
> For example using Lookout Mountain in Chattanooga, we can link
> the 140 miles to Huntsville Alabama:
> http://www.aprs.org/hamtrails/huntsville.html
>
> For this first annual experiment, these secondary links will
> -listen- to the main Appalachian Link system but then digipeat
> onto another frequency so the interface is one-way only so that
> they do not add any QRM to the experiment.  But this way, all
> packets traversing the AT link system will be forwarded along
> their length too as long as there are N hops remaining on the
> LINK7-7 packets.
>
> I was amazed to see, howver, that there are no existing APRS
> digipeaters on the Huntsville mountains!  The only digi is at 80
> feet in the middle of town.?
>
> Bob, WB4APR
>
> 





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