[aprssig] AX25 / KISS questions

Jason KG4WSV kg4wsv at gmail.com
Fri Jun 9 10:48:43 EDT 2017


On Fri, Jun 9, 2017 at 9:20 AM, Fred Hillhouse <fmhillhouse at comcast.net>
wrote:

> Regarding bit (un)stuffing, this appears to not apply to the KISS packet
> but is an action taken at the point of transmission/reception.



Yep, that's a layer 1 thing.  Since the signal is asynchronous it's there
to help prevent clock recovery from drifting off into insanity when a
string of consecutive bits are identical.  It isn't needed at layer 2.

-Jason
kg4wsv
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