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[aprssig] 30M APRS and digipeaters... (aliases)

Bob Bruninga bruninga at usna.edu
Thu Jul 12 21:51:50 UTC 2012


Lynn,

As you may have seen by now in my other email, my rants against Digipeating
on HF have only to do with GENERIC blind digipeating.  You are correct below
to question the details and point out the difference between HAVING the
ALIAS digipeaters and actually USING them.

But I think I still stand behind the NO GENERIC DIGIPEATING even to the
extent of not even having the ALIASES in place (except for the TUNE ones.

I think the only digipeating we need is as it has always been.  That is, we
can use any other STRONG station on a case-by-case basis to digipeat BY
ACTUAL CALLSIGN if we think it will benefit the QSO at hand.  But we don't
want ANY UNATTENDED blind GENERIC ALIAS DIGIPEATING which is just QRM to
others trying to use the channel.

I hope that helps clarify what I'm thinking.

Bob, WB4APR

-----Original Message-----
From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of Lynn W. Deffenbaugh (Mr)
Sent: Thursday, July 12, 2012 11:45 AM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] 30M APRS and digipeaters...

On 7/12/2012 11:37 AM, Bob Bruninga wrote:
> Yes, I agree fully.  We never want digipeating on HF.  It just adds QRM to
> everyone and cuts throughput in HALF on an already slow channel.  Now if I
> was SINKING and in a MAYDAY situation, then I might digipeat, because in
an
> emergency ANYTHING might help even though it does IMPACT everyone else.
>
> But ONLY in emergencies.  Othwewise the recommendation for APRS packet was
> NO DIGIPEATING.

I hate to pick at details, but does this mean to not set up digipeaters
on HF, or to not request a digipeat in your transmitted path?  It would
seem more like the latter because otherwise there'd be no digipeaters
around even if you wanted to use one for some reason.

And the logical follow-on, based on the response I read from the
European station, is what alias is supposed to be used if a digipeater
is configured, but hopefully only used in extreme duress?  I've seen
ECHO documented on HF APRS most often, but I also see that APRS
Messenger is doing some WIDE* stuff and the mention was made for WIDE2
or some-such earlier today.

Lynn (D) - KJ4ERJ - Just trying to learn the details from those that know


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