[aprssig] Tracker Smart Pathing

[Stan - N0YXV]

> Not on most digis I think.  Most digis run open
> squelch and use TNC's that only consider the
> channel busy if they are actually decoding valid AX.25
> bits.  These digis will even transmit over voice
> and most other signals.

Big assumption about digi's running open squelch. Wonder if anybody has ever
really done a survey on that. I'll bet it varies a lot from area to area. A
lot of the ones I know about don't and don't need to because channel load
isn't even an issue. Don't forget what assumptions can do. :-)