[aprssig] D700 TEMPn-N and callsign digipeating

[Robert Bruninga]

>Just got my D700 this weekend, and I'm new to digi's.  
>Doesn't the DIGI ON in 2) get turned off in 4)?  
>Or is this a different command?

IT is quite complex and I am not sure I fully know all the
subtleties, but each time you turn on the D700 or change
the TNC mode, it has to have a complete set of configuration
parameters loaded from the radio's CPU into the internal
TNC.  There are MANY different configurations:
1) 5 different PM's plus a 6th for no-PM-operation
2) 5 different POSITS and 5 different STATUS texts
3) Different settings if the TNC is in APRS mode or
    PACKET mode.
All of these different settings are held in the RADIO CPU
and get written into the TNC in real time when you change
mode.  What is NOT clear to me is exactly how many of
the PACKET mode parameters are retained while in APRS
mode.  Hence, the apparent dual settings below.

And even I am not certain, though I did to an exhanstive
test and never can remember exaactly the results.
Bob

On 5/29/06, Robert Bruninga <bruninga at usna.edu> wrote:
>
> Yes,  Here is the overall suggestion  for D700's:
> 1) Using a PC, Permanently set UITRACE to TEMP to support TEMPn-N
> 2) Using a PC, set DIGI ON  <== if it defaults to off, I forget)
> 3) USING APRS MENU, set UIDIGI to WIDE1-1
> 4) USING APRS MENU, set DIGI OFF
> 5) Save these APRS settings in a PM.
>
> This way you are always a TEMPn-N digi, but are only a
> WIDE1-1 digi when you specifically activate it.
>
> de WB4APR, Bob
>
> >>> WS5N at mindspring.com 05/29/06 1:14 PM >>>
> The problem with putting WIDE1-1 in a MOBILE D700 UIDIGI list is that it
> will always be digipeating WIDE1-1, even during normal non-event
> times.  Generally speaking, we don't want a bunch of fill-in digis wandering
> around town.  The TEMPn alias will only activate when someone intentionally
> decides they need it.
> --
> Gary, WS5N
>
> On Mon, 29 May 2006 11:32:49 -0500, wa7nwp at jnos.org wrote:
> >
> >> Plan B)
> >> Since the new WIDEn-n system says that the preferred path for
> >> trackers is WIDE1-1,WIDE2-1 or WIDE1-1,WIDE2-2, why not simply
> >> set the UIDIGI on a d700
> >> that will be used as an emergency digipeater to WIDE1-1?  You can
> >> do that with the front panel, no pc required.  And since the
> >> trackers are already programed to use wide1-1 as the first hop,
> >> there is no need for a PC to reconfigure them either.  Just park
> >> a d700 on a hill with UIDIGI set to WIDE1-1 on 144.99 and adjust
> >> the TX offset in the trackers.  The disadvantage of this is that
> >> the emergency digipeater won't digipeat any packets in from more
> >> than one hop, but then again, we're not looking for that.
> >>
> >
> > That's the "cafe digi" syndrome.   We've often met and played radio
> > in cafes.  Getting packets out via a mobile digi has been easy.
> > Getting them back in to a marginal portable station has been very
> > problematic.  We get out but don't hear the replies.
> >
> > My solution - add WIDE2-1 to the TEMP1-1 and WIDE1-1 (and mycall)
> > settings of UIDIGI.  That'll bring in some of the packets from the
> > wide area nodes and since it's already the end-gate of the packet
> > path, it won't affect the network routing outside of a few extra
> > packets.  Fortunately it's very easy to change the UIDIGI setting
> > of a D700 (or set up a separate PM for it) so this can be quickly
> > turned on and off.
> >
> > More Packets!
> >
> > Bill - WA7NWP
> >
> >
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