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[aprssig] Tap into in-dash GPS Navigation for APRS?

Curt, WE7U archer at eskimo.com
Tue Aug 22 16:03:51 UTC 2006

On Tue, 22 Aug 2006, Tyler Allison wrote:

> > Has anyone had success finding a serial port on an OEM in-dash
> > navigation system?  In my case it is in a Dodge and I have found that
> > the manufacturer is Alpine.

> I know folks have been able to tap into the OnStar system's GPS unit so I
> would suspect it's gotta be doable if you can find the right pins.

Does it use an outboard GPS antenna or an outboard GPS engine?  If
the latter you might be able to tie directly into NMEA signals on
that cable or connector.  If you're real lucky.  Of course they
could also be using a different protocol in that case.

Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
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