Re: [Discuss-gnuradio] RDS

[Erlend Barstad Strand]

Yes...please post your code. I would like to take a look as well....

I have tried to adapt the code  myself, however my skills in c++ and
python are limited and I have not succeeded yet.....

greetings
--
Erlend Barstad Strand



Quoting Matt Ettus <address@hidden>:

>
> Posting your code, even if still a work in progress would be useful.
> I'd like to take a look.
>
> Matt
>
> Ryan Shoff wrote:
> >
> > I've updated the RDS code that Ronnie Gaensli posted back in
> February
> > to the current build structure and added a USRP example.
> >
> > What should I do with it to get it in svn?
> >
> > It works fine. However, a couple of the blocks never leave their
> sync
> > state, so you can't change channels. That shouldn't be a hard fix.
> >
> >
> > Ryan Shoff
> >
> >
> >
> >
> > -----Original Message-----
> > From:
> address@hidden
> > on behalf of Jan Schiefer
> > Sent: Fri 10/6/2006 2:27 AM
> > To: Matt Ettus
> > Cc: address@hidden
> > Subject: Re: [Discuss-gnuradio] RDS
> >
> > Great pointer! Here is the posting:
> >
>
http://www.archivum.info/address@hidden/2006-02/msg00018.html
> > This would be great to build on.
> >
> > Cheers,
> >     Jan
> >
> > Matt Ettus wrote:
> > > I seem to recall someone writing a gr-rds module a while ago.
> You might
> > > check the mailing list archives.  I would love to have this
> feature in
> > > gnuradio.  Please let me know if you need any help.
> > >
> > > Matt
> > >
> > >
> > > Jan Schiefer wrote:
> > >
> > >> Hi Erlend,
> > >>
> > >> I think you should be able to see the subcarrier with the USRP.
> The
> > >> injection level of the RDS signal is typically around 1.5 to 2%,
> this
> > >> is substantially less than the pilot, which is typically around
> 9%,
> > >> but it should still be visible. Make sure you have a good signal
> > >> without too much multipath. Also, you want to double-check
> whether the
> > >> station you are looking at is indeed carrying RDS (not sure
> whether
> > >> everybody does in Norway).
> > >>
> > >> If you end up writing a decoder, please drop me a line. The
> American
> > >> version of RDS, called RBDS, is (of course) slightly different.
> I'd be
> > >> interested in helping to making sure that it will work on both
> sides
> > >> of the Atlantic.
> > >>
> > >> Cheers,
> > >>    Jan
> > >>
> > >>
> > >> Erlend Barstad Strand wrote:
> > >>
> > >>> Hi
> > >>>
> > >>> I am trying to extend the usrp_wfm_rcv_pll.py by reading the
> RDS
> > >>> subcarrier, however I have a problem observing the subcarrier
> at
> > all. I
> > >>> have connected a file_sink to the fm_demod in order to see the
> > spectrum
> > >>> in Matlab. In the spectrum I can observe the L+R, L-R and pilot
> tone,
> > >>> but no RDS subcarrier at 57kHz.
> > >>>
> > >>> Have anyone successfully seen this channel on broadcast FM?
> > >>>
> > >>> Is it possible that the RDS subcarrier doesnt have enough power
> to be
> > >>> oberved with the USRP board?
> > >>>
> > >>> best regards
> > >>> erlend
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>> _______________________________________________
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> > >>> address@hidden
> > >>> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> > >>>
> > >>>
> > >>>
> > >>
> > >> _______________________________________________
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> > >> address@hidden
> > >> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> > >>
> > >
> > >
> > >
> >
> >
> >
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