[aprssig] A TNC2 (clone) question
Stephen H. Smith
wa8lmf2 at aol.com
Mon Nov 14 12:30:03 EST 2011
On 11/14/2011 12:27 PM, Lynn W. Deffenbaugh (Mr) wrote:
> On 11/14/2011 12:17 PM, Stephen H. Smith wrote:
>>
>> For example, WIDE2-2 becomes WIDE2-1 which becomes WIDE2-0 as a packet
>> passes through 3 successive digis.
>
> A bit nit-picking here, but I count only TWO digis in the example. The first
> hears the WIDE2-2 and transmits a WIDE2-1. The second hears the WIDE2-1 and
> transmits the WIDE2-0 which is more commonly shown as WIDE2 (lack of a -SSID
> implies -0). In addition, the second digi should also set the "used" bit in
> the AX.25 header because it decremented to zero which is typically then shown
> as WIDE2*.
>
I was actually thinking about the WIDE1-1.WIDE2-1 scenario for three hops when
I wrote this, and forgot about the WIDE1-1 part......
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