RE: [Discuss-gnuradio] Beginner questions

[ziolko ryan paul]

I am just using the discriminator output of my Bearcat scanner.

The hot setup is the $1300 ADC and the cable modem tuner...

        Later,
        Ryan

On Thu, 12 Sep 2002, Ryan Pape wrote:

>
>
> Is there a description of what needs to be connected to the sound card
> (externally)?
>
> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden Behalf Of Ettus, Matt
> Sent: Thursday, September 12, 2002 12:27 PM
> To: 'Ryan Pape';
> Subject: RE: [Discuss-gnuradio] Beginner questions
>
>
> > I'm just getting started looking at GNURadio.  My initial
> > interest is in
> > simply receiving standard UHF radio transmissions( standard 2 way
> > radio/repeater stuff), multiple frequencies simultaneously,
> > if possible
>
> Check out src/gnu/examples/nbfm4.cc in CVS.  I just put it in there.  It
> will demodulate 4 narrowband fm channels anywhere within 4 MHz of each
> other.  It requires the MC4020 data acquisition card, but serves as a good
> example even if you don't have it.
>
> >
> > I know there is work done on both using a data aquisition
> > card and a sound
> > card.
>
> NBFM channels tend to be 25 kHz wide, sometimes 15 kHz.  You could only get
> 1, maybe 2 contiguous channels through a basic soundcard, maybe 5 on a high
> end (96kHz) card.
>
> > Which of these would work for what i'm interested in
> > and is there a
> > slightly more detailed explanation anywhere of either the external
> > hardware/receiver requirements and the theory behind their operation.
>
> gnuradio is designed to work with any hardware supported by the kernel.
> Most of the work uses the MC4020, which is expensive, and a soundcards,
> which are really cheap.
>
> Matt
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> http://mail.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> http://mail.gnu.org/mailman/listinfo/discuss-gnuradio
>