[OZAPRS] APRS- UI digi question

Glen English VK1XX glenlist at pacificmedia.com.au
Tue Oct 31 15:07:04 AEDT 2017


HI Josh

(Carlos- I included a raw TNC dump in my email I am hearing it here)

Josh-

OK so RHR is using WIDE1-1, and RBM sees WIDE2-1  and that's the end of
the line.

but..... so I misunderstood that a high level WIDE2 digi would 'use the
WIDE1 address slot ?

I thought  : IF a high level DIGI used WIDE1-1 then it would
automatically decrement the WIDE2-1 in the packet to 2-0 because the
'wide job' had been done by it.  IE there has been one WIDE hop and the
packet was to have no more ?

-glen


On 31/10/2017 2:21 PM, Josh VK2HFF wrote:
> Hi Glen,
> VK2RHR is a wide1 digi only, and does callsign substitution in the path.
> VK2NR-5 original path would have been WIDE1-1,WIDE2-1, with both used
> up by the time you see it.
>
> Josh VK2HFF
>
>
>
> -------- Original message --------
> From: Glen English VK1XX <glenlist at pacificmedia.com.au>
> Date: 31/10/2017 13:32 (GMT+10:00)
> To: ozaprs at aprs.net.au
> Subject: [OZAPRS] APRS- UI digi question
>
> Can anyone tell me why I am seeing VK2NR-5 and not other traffic out of
> sydney.
>
> Someone in sydney might be able to tell me why, or someone else might
> shed some light. Yes I understand the WIDE  etc nomenclature.
>
> I see there are a few digipeaters and users still expecting/using RELAY
> and  TRACE  ...
>
> ALot of old digipeaters around on hills that are neglected.
>
> VK2NR-5>APRS,VK2RHR-1,VK1RBM-1*:
> <UI>:                                      
> }NEUTBAY>APRS,TCPIP,VK2NR-5*::BLN2SYDTD:Tide 0.73M, Vis 30Km, Cloud 01
> Okt, Air
> Qual 50, UV idx 
>
> I cannot see his original packets of course- that is BEFORE the
> substitutions.
>
> as I understand it if he used WIDE2-2, then VK2RHR-1 would be the next
> and send WIDE2-1
> and VK2RBM-1 would hear WIDE2-1 and since that's the end, just subs its
> own call in there.
>
> The question is also, how come I am not hearing other WIDE2-2s out of
> sydney via  VK2RHR-1  ?
>
> There is something I do not understand yet.
>
> I had a look at the igate raw packet dump but that was for some other
> packets he sent.
>
> Thanks
>
> glen
>
>
>
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