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[aprssig] Marathon support with APRS

William McKeehan mckeehan at mckeehan.homeip.net
Wed Oct 11 12:41:10 UTC 2006

I know of no other APRS software that supports the "dead-reckoning" like
APRSdos does where a station will follow a pre-defined route and not just a
straight line...that may very well be a reason for me to look into APRSdos.

Thanks for the ideas Bob!

On Mon, October 9, 2006 7:44 pm, Bob Bruninga said:
>> I worked a 17 mile off-road foot race this past
>> weekend and did not see that
>> APRS would have been of much value to the
>> communications network.
> Here is the top down priority list of how we use it:
> 1) Tracker on Lead vehicle
> 2) Tracker on tail vehicle
> 3) Tracker on VIP in charge and other VIP's
> 4) Trackers on SAG wagons and other important support
>    vehicles.
> That covers the logistics items.
> Then for the entertainment value to the thousands watching, we used the
> special APRSdos dead-reckoning version that
> allows all manner of humans in the race to be tracked,
> without needing any RF trackers.  It simple dead-reckons the position of any
> special runner around the course.  TYpically then we add these moving objects
> to the race too:
>   Lead Female
>   The PACK
>   Lead Wheel chair
>   The Juggler (he juggles as he runs)
>   Any other easy to recognize runner.
> These runners are transmitted by the APRSdos DR program and appear to all
> OTHER APRS programs as if these runners had trackers on them.  This lets
> eveyrone see where these key "runners" are too.  Only one person with
> headphones runs the APRS-DR program and keeps objects updated with his cursor
> as new reports come in.  The progam keeps them moving...
> de WB4APR, Bob
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William McKeehan
Internet: mckeehan at mckeehan.homeip.net

Do not go where the path may lead,
go instead where there is no path and leave a trail.
     - Ralph Waldo Emerson

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