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[Discuss-gnuradio] Successful Demonstration of GnuRadio!

From: Kennedy . MJ
Subject: [Discuss-gnuradio] Successful Demonstration of GnuRadio!
Date: Tue, 22 Apr 2003 08:42:36 -0400

Hi Everybody!

        I have just completed a presentation last Thursday on GnuRadio with 
        my local ham radio club called OVMRC or Ottawa Valley Mobile Radio
        Using the equipment that I have available at the time, I was able to
        the decoding of a narrow band fm signal and what the modulation
        looks like with the audio scope. 

        I took my Yaesu FT-847 and found the 455Khz IF, tapped off of it.
        Mixed it with a 465Khz LO to get a modulation signal into my sound
card at 10Khz.
        After rewriting some of the codecon/nbfmx.cc file to accept source
from the sound card
        I was able to decod the FM from a nearby hand talky.

        Also I have been able to acquire a NI-6035e data acquisition card.
We have rewritten 
        some of the comedi drivers to work with GnuRadio. Unfortunately we
did not have the drivers
        in time for the demonstration. We are having some data alignment
issues with it.
        So we are asking a small assistance with this, Eric are you able to
help? :)

Thanks for the software and the inspiration!
Mike Kennedy


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