[aprssig] Interpeting packets on findu

scott at opentrac.org scott at opentrac.org
Wed Apr 5 23:56:23 CDT 2006

Here's the information on the Q constructs:


*'s indicate digi's that were used.  The 'q' construct is inserted when the
packet enters the Internet system, and is followed by the Igate callsign.


> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of 
> apratt at bestbits.org
> Sent: Wednesday, April 05, 2006 9:25 PM
> To: aprssig at lists.tapr.org
> Subject: [aprssig] Interpeting packets on findu
> Here's something I'd like to see answered on the wiki: how do you
> interpret what you see on findu? Not the data parts, but the routing
> parts.
> My packets seem to show up with one digi's call sign, then the route I
> specified, then the letters qAo or qAO, and finally another digi's
> call. Here are two examples:
> W6CX-3*,WIDE3-3,qAo,K6BMD-9
> (Please don't give me a hard time about WIDE3-3: I'm running an
> experiment and I am not using that path routinely.)
> What does that say about digis, hop count, and IGates? What are other
> patterns a user might see, and what do they mean? Without getting a
> Ph.D. in APRS packet formatting, I think a few rules of thumb would be
> a nice addition to the wiki.
> If a few people answer here and we kick the topic around for a day or
> so, I volunteer to write up a summary for the wiki. Deal?
> -- Allan Pratt, apratt at bestbits.org
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