[aprssig] A TNC2 (clone) question
Lynn W. Deffenbaugh (Mr)
ldeffenb at homeside.to
Mon Nov 14 11:27:45 CST 2011
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*.
Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
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