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: [EMAIL PROTECTED] > on behalf of Jan Schiefer > Sent: Fri 10/6/2006 2:27 AM > To: Matt Ettus > Cc: discuss-gnuradio@gnu.org > Subject: Re: [Discuss-gnuradio] RDS > > Great pointer! Here is the posting: > http://www.archivum.info/discuss-gnuradio@gnu.org/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 > >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> _______________________________________________ > >>> Discuss-gnuradio mailing list > >>> Discuss-gnuradio@gnu.org > >>> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >>> > >>> > >>> > >> > >> _______________________________________________ > >> Discuss-gnuradio mailing list > >> Discuss-gnuradio@gnu.org > >> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >> > > > > > > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
