[Community] RDS-TMC traffic data

Christoph Mair christoph.mair at gmail.com
Tue Jan 28 08:08:29 CET 2014


Am 28.01.2014 08:02 schrieb "Christ van Willegen" <cvwillegen at gmail.com>:
>
> On Tue, Jan 28, 2014 at 12:47 AM, Ryan de Laplante
> <ryan at ryandelaplante.com> wrote:
> > I did a preliminary investigation and it it seems that a single company
sells
> > traffic data to all of the navigation system providers who then resell
it as a
> > subscription service:
>
> IIRC the radio chip in the GTA04 is able to receive RDS/TMC as-is?
> Don't know how that data ia propagated, though...

Yes, the chip supports RDS. IIRC the decoded data can be read from some
internal registers but I'm not sure what happens if the data is encrypted.

  Christoph
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