[aprssig] Aeronautical Mobile Best Practices?
joe at dellabarba.com
joe at dellabarba.com
Thu Jun 2 15:01:14 EDT 2011
I use Mic-E airmobile and it works fine.
I have the path change with altitude. IIRC, under 1,000 feet is WIDE 2-2 and
over is WIDE 2-1 or maybe WIDE 2-1 and direct. I don't have the config in front
of me. I get decent range with 5 watts and a rubber duck suction-cupped on a
window.
73
Joe N3HGB
www.dellabarba.com
On June 2, 2011 at 9:28 AM Bob Bruninga <bruninga at usna.edu> wrote:
> >>> Mic-E generally works fine...
> >> For terrestrial, sure, but I can't agree in
> >> the case of aeronautical mobile due to its
> >> limited usage vs. the ease of troubleshooting ASCII.
> >>
> > Assuming a Mic-E packet is about 20 characters shorter...
> > The gained channel time could be small when compared
> > to tuning rates and paths, but it comes cheap...
>
> I think the real value of shorter Mic-E packets is not in the 10 seconds per
> mission of saved air time, but in the improved reliability of -each- packet.
> Look at it as 20% shorter. This means 20% improved reliability (20% smaller
> chance of something else colliding with one's packets!)...
>
> Bob, WB4APR
>
>
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