[aprssig] Tracker Smart Pathing

[scott at opentrac.org]

> I suppose one could set the SmartBeaconing(tm) settings quite a bit
> differently where you get a constant beacon interval plus
> beacon-on-turn.  I just don't happen to want this, but it could be
> done.

In the OpenTracker at least, you can set a minimum interval so that
regardless of turns and changes in speed, it'll still never beacon more
often than that.  I put that in there to avoid repeated beacons on gradual
curves.

Scott
N1VG