Re: [Discuss-gnuradio] RDS

[Matt Ettus]

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
>   
I see the RDS subcarrier all the time.  Not every station uses it, so
you are listening to one that does.

Matt