[aprssig] Traffic on APRS GPS display

Scott Miller scott at opentrac.org
Sun Jan 20 16:02:49 EST 2008

Yes, look up TMC.  I'm not positive the serial interface part is 
standardized, but at least the on-air stuff is.  There's been a lot of 
attention lately to the fact that there's no security on it.


Bob Bruninga wrote:
> We could diplay traffic and other stuff on the display of an attached GPS...
> The AVMAP GPS has the ability to display traffic congestion info from an external source.  It just plugs into the same serial port we use for plugging it into the D7, D700 or HAMHUD.  Does anyone have that service?
> If they can do it, why can't we?  We could send over serial information of our choosing to show up on the map in addition to our current display of other APRS statiOns as waypoints.
> Its a serial port.  SHould be easy to send over stuff and a fun project.  What kind of data would be useful to send over for display?  DO othere GPS units support these kinds of external inputs that we could exploit.
> Bob, Wb4apr
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