Topband: FT-8 performance

[Mike Waters]

Do either JT9 or FT8 *really* need a wide SSB filter? What happens if we
use a good narrow CW filter instead?

73, Mike
www.w0btu.com

On Thu, Aug 1, 2019, 2:03 PM K4SAV <RadioXX at charter.net> wrote:

> W0BTU directed a question to me about JT-9.  I have never tested JT-9 so
> I don't have any information to supply on that subject.
>
> The S/N number supplied by FT-8 was only a curiosity to me because I
> could see a huge disparity between what was being reported versus what I
> was observing on my receiver.  The reported S/N seems to be about
> useless, but the really important question was what is the lowest signal
> to noise FT-8 can decode,(real S/N, not the reported number). That was
> the main question I wanted to answer with testing.
>
> A little off subject but people also need to stop using S/N numbers as a
> measure of antenna gain.
>
> Jerry, K4SAV
>
>