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Re: [Discuss-gnuradio] RDS

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] RDS
Date: Thu, 05 Oct 2006 12:12:41 -0700
User-agent: Thunderbird (X11/20060922)

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.


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