[aprssig] WRAP-UP MISSOULA MARATHON APRS SUPPORT

[Brett Friermood]

> I count 7 trackers going at 30 second rate which is really pushing the Aloha
> limit on a 1200 baud channel with digipeats. You may have lost a lot of
> packets due to collisions...

What was the reasoning for 30 second transmit rates?

At a far off world record pace of 15 mph that is 1/4 mile traveled per
minute, which equates to the many times on this list recommended
minimum beacon rate. Ded reckoning will easily handle that even on an
extremely curvy course.