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[aprssig] Explain path please

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Sun Oct 19 02:11:07 UTC 2008


Close.  As I understand it, each digi that hears AND sends should add 
it's own ID.  Therefore, it is not quite accurate that -10 and -14 both 
heard W4MIN.  Actually, I interpret this path as follows:

N8JE-9 sent to APT406 (loosely speaking) with a path of WIDE1-1,WIDE2-2
W4MIN heard the signal, consumed the WIDE1-1 and repeated (probably with 
WIDE1*,WIDE2-2)
WC4PEM-10 heard that, consumed one of the WIDE2's and repeated (probably 
with WIDE1,WIDE2-1)
WC4PEM-14 heard that, consumed the final WIDE2 and repeated (probably 
with WIDE1,WIDE2*)
KC4ZVV-2 heard that and gated it to APRS-IS

I'm doing a bunch of APRS-IS data collection (along with over-the-air 
collection via KJ4ERJ) and crunching on some 2 meter propagation 
numbers.  When conditions are good, I directly hear most of the 
WC4PEM-nn family.  Right now (since 8:00pm or so tonight), reception is 
again on the downhill slope and I'm only hearing their digi's from 
WX4MLB-3 (that digi has a taller tower than I do).

If anyone knows for sure, feel free to throw your hat in the ring on 
interpreting this particular packet path.

Lynn (D) - KJ4ERJ


Stan Leeds wrote:
> I saw this today on findu
>
> N8JE-9>APT406,W4MIN,WIDE1,WC4PEM-10,WC4PEM-14,WIDE2*,qAR,KC4ZVV-2:!2716.84N\08150.06Wk028/010/A=000101/Scanning 
> Local Repeaters
>
> So does it say that W4MIN heard him first and digi'd, then WC4PEM-10 and 
> -14 both heard him and digi'd and then more than likely KC4VV-2 heard 
> and gated him?
>
> Thanks in advance and 73,
> Stan/KC7EHJ
>
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