[aprssig] First digi versus last digi?

[Lynn W. Deffenbaugh (Mr)]

I plot them all.  First digi gives an idea how well the station itself 
is getting out.  Last digi tells me how my station is receiving.  Middle 
digis just give me an idea how the packet made it from First to Last.  
All assuming, of course, that the digipeaters play by the rules by a) 
inserting their callsign and b) beaconing their own position every now 
and then.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 1/20/2015 3:25 PM, Andrew P. wrote:
> Greetings, all.
>
> I'm looking at adding some more path analysis features to my APRS 
> program, and was wondering what the consensus was regarding plotting 
> path from original sender to first digipeater/Igate versus path from 
> last digi/Igate to receiver. Which has more value to the user?
>
> I ask this because my original implementation supported last digi, but 
> this never seemed to be useful. And now I'm adding functionality to 
> identify and guesstimate-locate stealth first digis.
>
> Is there any need to keep last digi identification, filtering, etc.?
>
> Just wondering how people woukd feel about that.
>
> Andrew Pavlin, KA2DDO
> author of YAAC
>
>
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