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[aprssig] APRS messaging break out

Andrew Rich vk4tec at tech-software.net
Wed Aug 16 10:45:10 UTC 2006

I would prefer to use XASTIR - we may put trackers on the horse riders.

So does xastir gate messages from RF to local port ?

That way I can have perl listening and insert into my external apps ?

Andrew Rich
Amateur radio callsign VK4TEC
email: vk4tec at tech-software.net <mailto:vk4tec at tech-software.net>
web: http://www.tech-software.net

-----Original Message-----
From: Curt, WE7U [mailto:archer at eskimo.com]
Sent: Wednesday, 16 August 2006 8:37 PM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] APRS messaging break out

On Tue, 15 Aug 2006, Stan - N0YXV wrote:

> I use Javaprssrvr running on a Linux box with AX.25 compiled onto it.
There are
> several ways to run Javaprssrvr on a Linux box without having to compiled
> on it but with AX.25 compiled you can run multiple connections to a KISS
> Linux just starts treating it like another interface. (I guess it should
> with out Linux programs as well such as Xastir.)

with "other" Linux programs as well such as Xastir:  Yes.  Xastir
(perhaps multiple copies) plus many other programs can share a TNC
or multiple TNC's this way.

> It shows up when you do an
> "ifconfig". Of course if you find a Distro with AX.25 already compiled on
> your a head of the game. I never found one so I had to compile my own.

There are distributions that contain working AX.25.  SuSE (certain
versions) does.  I believe Debian does as well.

> I'm guessing you could then write a Perl script (or maybe just grepping
it) you
> should be able to pull messages out of it. That is if I'm understanding
what it
> is you want to do correctly.

Yes.  You could either attach it to a local aprsd port or to a local
Xastir server port.  I've done so, but not for messaging.  I either
inject packets into the APRS-IS (or Firenet) or scan the APRS-IS
looking for certain types of packets, using Perl.  Works great.

Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
"The world DOES revolve around me:  I picked the coordinate system!"

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