[Space] aprs stuff

Adam Fritzler mid at zigamorph.net
Tue Jan 26 07:37:09 PST 2010


On Mon, Jan 25, 2010 at 9:52 PM,  <nils at shkoo.com> wrote:
> The APRS signal is over FM, right?  Don't we need quadrature to decode it,
> giving us only 2 channels of I+Q?

APRS is just 1200 baud FSK.

You really don't need something as complicated as a USRP to decode it
-- a sound card and the linux AX.25 stack's soundmodem will work fine.
My cheap netbook is more than fast enough.

asf.


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