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Re: [Discuss-gnuradio] flowgraph for commercial FM radio TX/RX

From: Markus Heller M.A. (relix GmbH)
Subject: Re: [Discuss-gnuradio] flowgraph for commercial FM radio TX/RX
Date: Wed, 10 Nov 2010 02:51:20 +0100

Hi Steve,

on my webpage I collected a number of receive and transmit flowgraphs
for all sorts of modulations, but also FM:


I also own the USRP2 and the WBX board and I am testing them step by

Please also consider these documents:


For a nice receiver there's this neat little Python program from Michel


...which you might download right away with "wget".


Am Dienstag, den 09.11.2010, 17:33 -0800 schrieb Steve Mcmahon:
> Hello:
> Does anyone have a flowgraph that could be run on a USRP2 with a WBX 
> daughterboard for either transmit or receive of commercial FM radio (88 MHz 
> to 108 MHz U.S.)?
> In the transmit case, I would like to read raw PCM audio from a file and 
> modulate it and transmit it in the commercial FM band, to be received by a 
> standard FM radio.
> In the receive case, I would like to capture and demodulate commercial FM 
> radio and save the raw PCM audio data to a file for playback.
> This is for academic, proof-of-concept, very low-power purposes. I am not 
> using it to operate a pirate FM radio station.
> I appreciate your help.
> Thanks.
> Steve McMahon
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