[aprssig] KPC-3+ KISS mode delayed packet issue?

[Bill Vodall WA7NWP]

> It could be that a KISS frame END character gets missed or
> corrupted, requiring a new KISS frame to come through to supply it,
> but then that one gets stuck because of not enough framing
> characters, awaiting the next packet to come through, etc.

The wl2k folks claim all versions of the KPC3 have a bug and will
periodically lock up if running lots of binary data through it.  Maybe
that's what is being seen here.

Bill - WA7NWP