That's neat how small the bandwdith is but I wish we could see what kind of
throughput we could get in the same space as a FM signal.
On Apr 17, 2012 5:55 PM, "Trevor ." <[email protected]> wrote:
> --- On Tue, 17/4/12, Bruce Perens <[email protected]> wrote:
> > At the end of the D-STAR article in
> > this month's QST, it mentions that Yaesu will be coming out
> > with their own digital voice implementation at Hamvention.
>
> I believe it uses the same standard Codec as D-STAR GMSK giving 3600 bps
> voice and 1200 bps data.
>
> What is different is the modulation scheme which is 4-FSK resulting in a
> bandwidth of 4.5 kHz instead of the 8 kHz or so that D-STAR GMSK uses.
>
> 73 Trevor M5AKA
>
>
>
>
>
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