[aprssig] Airborne Digis

[Gregory A. Carter]

Hi Tom,

The only problem with this issue is that at 2000-4000 feet now you're
digi-ing ALL WIDE1-1 stations within earshot not just my trackers.  The
first direct issue here is now there is a possibility in overloading the
airborne digi in which case it will be too busy to digi my priority
packets.  The second issue would be now I'm taking WIDE1-1 requests from
adjacent valleys and duplicating their packets even further when paired up
with any other fill-in digi's that are actually in their area on the ground.

Greg

NV6G
OpenAPRS.Net

On Mon, Sep 14, 2009 at 10:58 AM, Tom Hayward <esarfl at gmail.com> wrote:

> On Mon, Sep 14, 2009 at 9:07 AM, Gregory A. Carter <gcarter at openaprs.net>
> wrote:
> > Hello All,
> >
> > For search and rescue use I'm trying to setup and implement an Airborne
> > capable digi that will not cause interference but will respond to our
> > trackers out in the field in remote uncovered (by digis) areas and get
> them
> > into the APRS and APRS-IS network along with our local monitoring
> machines.
> > As a result I'd love to hear input from anyone here who has experience in
> > this situation.
>
> I would configure the airborne digi as a standard fill-in digipeater,
> responding to WIDE1-1. I don't think this would cause interference.
> Worst case scenario, you digipeat some non-SAR mobiles across a good
> sized area. This doesn't seem worse than installing a mountain-top W2
> digipeater at 4000'+ HAAT. It's at least worth testing.
>
> Tom KD7LXL
>
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