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[aprssig] Airborne APRS

William McKeehan mckeehan at mckeehan.homeip.net
Sat Oct 29 00:24:54 UTC 2005


We did both actually; we had a pocket tracker on 144.39 with a "normal" beacon
rate. AND we had a couple of stations listening on the alternate frequency
setup as IGates.

On Fri, October 28, 2005 5:24 pm, A.J. Farmer (AJ3U) said:
> On 10/28/05, William McKeehan <mckeehan at mckeehan.homeip.net> wrote:
>> Good point..but this balloon was sending packets at a high rate on a
>> seperate
>> frequency; it seemed to work much better than being on 144.39.
>
> Well, pros and cons here.  If the use of APRS for recovery is one of
> your primary goals, then I would put it on 144.39 so that the position
> reports are picked up by IGates and passed to Findu.  If you can't
> find the balloon, and if the landing causes it to stop transmitting,
> you would at least then be able to follow the track on Findu as a last
> resort and get an approximate location of the landing.  Leverage the
> network that we have all created!  Sure it may be transmitting at a
> higher rate than "standard" stations, but events like this is one of
> the reasons why we all put this network together, right?!  Plus, I
> think most people enjoy seeing balloons on APRS.  Seeing the same
> mobiles and digi's on the map every day gets boring. ;-)
>
> Otherwise, you are going to have to make sure you have a couple of
> stations in place to receive the balloon's packets on your alternate
> frequency.  I say go with 144.39.
>
> --
> A.J. Farmer, AJ3U
> http://www.aj3u.com
>
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-- 
William McKeehan
KI4HDU
Internet: mckeehan at mckeehan.homeip.net
http://mckeehan.homeip.net




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