[aprssig] EchoLink APRS-IS Ojbects Mothballed
Mark Cheavens
mcheavens at usa.net
Mon Aug 3 11:17:56 EDT 2009
The address to send the message to should be all letters and should
only contain the first letter on a keypad to simplify entry from a
microphone while mobile.
Should be an address that contains the following letters, with no
double entries:
A, D, G, J, M, P, T, W Example would be PAD, Not PAA.
From looking at the available letters I would suggest the server address be:
DATA
It does need to look for ACK's, to both limit the retries, and to try
and make sure the message gets through.
This makes me now think of a good I-Gate message checking code.......
How many retries have to be sent on average to each I-Gate to look
for improperly configured I-Gates.
Mark
KC5EVE
At 09:05 AM 8/3/2009, you wrote:
>On Mon, August 3, 2009 9:53 am, Lynn W. Deffenbaugh (Mr) wrote:
> > Have you looked at the Item-In-Message format proposed for APRS 1.2?
> > You could support a different APRS message trigger (node-obj) that
> > formats the data according to:
> >
> > http://aprs.org/aprs12/item-in-msg.txt
> >
> > Then as APRS clients get upgraded to support it (I'm planning to in my
> > APRSISCE for Windows Mobile), your server will be ready to deliver!
>
>I have not looked at the item-in-message format; I agree that it would be a
>good thing to add and should not be too difficult.
>
> >
> > Great job! Do you know if you'll be able to keep the service running or
> > do you want to give the source to a site that can keep it hosted once
> > you're happy with it? You'll obviously want the messages addressed to a
> > suitable alias rather than your callsign, at least.
>
>I could run it full-time, but I'd rather find it a home that has a hosted
>infrastructure that is better than my home internet service. Or people could
>run it as an add-in to digi-ned...
>
>I agree with changing the callsign; this was just an effort go expose the
>service to a larger audience and see how well it is received/what issues it
>may have, etc.
>
> >
> > Lynn (D) - KJ4ERJ
> >
> > PS. All of the APRS 1.2 Proposal are at http://aprs.org/aprs12.html
> >
> > William McKeehan wrote:
> >> As a follow-up to the discussion about the EchoLink objects, I wrote a bit
> >> of
> >> Perl code to process their xml and query the results.
> >>
> >> Try sending an APRS message "node" to KI4HDU-12. It will tell you the
> >> nearest
> >> node to you that it calculates as within range.
> >>
> >> Currently the process will only send the message once, so if you're on RF
> >> and
> >> don't get the first copy, it will not re-try...an obvious area for
> >> improvement
> >> to the process.
> >>
> >> The code is in Perl and I will give it to anyone that would like it.
> >>
> >
> >
> > _______________________________________________
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> > https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
> >
> >
>
>
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