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Re: [Discuss-gnuradio] Request for raw FM data

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Request for raw FM data
Date: Wed, 12 Jan 2005 16:38:29 -0800
User-agent: Mutt/1.5.6i

On Tue, Jan 11, 2005 at 09:09:52PM -0500, Achilleas Anastasopoulos wrote:
> Dear all,
> I am working on a simple extension of the FM receiver program
> (wfm_rcv.py) to demodulate stereo FM stations in order to get my hands
> dirty with gnuradio.
> However I do not have any piece of hardware yet :(
> Would it be possible for someone to provide me with a
> file with say 5 to 10 seconds worth of the incoming
> 256K complex basedband signal coming from the
> USRP (ie, the one that is fed to the "head" of the pipeline
> in wfm_rcv.py) corresponding to a STEREO FM station.

Here's a minute of broadcast FM samples:


The data is complex baseband, complex<float>, 256kS/second, little-endian.

I've also checked in...


...which will demod and play it for you.

The data was captured using a USRP and a cable tuner module for the
front end with usrp_rx_cfile.py

Have fun!


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