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[aprssig] transceiver for APRS?

Robert Bruninga bruninga at usna.edu
Thu Nov 16 19:42:11 UTC 2006


> This reminds me of one thing i'd like the D700 to do -
> Change my status text to read "monitoring [insert freq 
> in voice band here]
> [PL XXX.X/DPL XXX][+/-/SMX]".  I'm sure it wouldn't be 
> hard to make a little Microcontroller to do this for me, 
> maybe poll the radio every 2 or
> 3 minutes for the data, and enter the text....

There was a fellow that programmed a pic to do this a few years
back, but he said there didn't seem to be much interest in it.
This surprised me, because I never even knew he had dompleted it
and where he was advertising...?

I have lost my contact so don't know who he was or where...
Bob

> making it so this "new" radio could interface with other rigs 
> (granted, it
> would be a limited set of radios, but i'm sure this could be 
> expanded by
> the user, given the "computer control-ability" that we're 
> talking about)
> to do something likt this would be neat....
> 
> > On Thu, 16 Nov 2006 kc9umr at freqradio.com wrote:
> >
> >> If it's an APRS specific radio, how important is frequency
agility?
> >> something that's computer configuarable (maybe the 
> firmware defaults to
> >> 144.390 as a frequency, but you can re-configure it to 
> default wherever
> >> you want) for standalone/tracker applications, and 
> computer controllable
> >> for applications where you want that capability (home /
> >> "experimentation"
> >> applications).
> >
> > Depends on what you want to do.  If it has no voice
capability, then
> > one of the reasons for making it frequency agile goes out
the door:
> > That of going to the local repeater based on info received
on the
> > APRS channel.  One could still do this for packet/APRS uses
though,
> > like switch to a local channel for traffic/weather reports,
then
> > switch back for tracking.
> >
> > One could also have it switch to satellite frequencies based
on
> > predicted passes, tracking doppler if necessary, then switch
back
> > to the normal APRS frequency.
> >
> > Another use is for alternate APRS frequencies, but this
would
> > normally not require real-time agility, only a jumper or
programmed
> > setting.
> >
> >
> >> Having a Tiny Trak type TNC (or a 2 way TNC, but something 
> that's simple
> >> to use and setup, don't need a LOT of features, really...)
would be
> >> nice,
> >> so all you need to do is configure it, plug in a GPS and 
> antenna, and
> >> go.
> >
> > Opentracker "Tracker2" or a TinyTrak4.  I personally prefer
> > open-source stuff, so the Tracker2 is it.
> >
> > --
> > 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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> > aprssig at lists.tapr.org
> > https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig
> >
> 
> 
> 
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