Topband: Top Band and JT65

[Brian D G3VGZ]

WSJT-X 1.7.0

Mike Waters <mikewate at gmail.com> wrote:

> That's interesting. Thank you for sharing that with us.
> 
> What software are you using, Brian? Joe Taylor's, or some other?

> 
> I'm guessing you're only using the wide SSB filter. In any case, I'll have
> to try that and see, using CW and SSB filters.
> 
> 73, Mike www.w0btu.com
> 
> On Sat, May 13, 2017 at 5:50 PM, Brian D G3VGZ
> <topband at planet3.freeuk.co.uk
> > wrote:
> 
> >
> > I find the better ability for JT65 to decode co-channel signals with its
> > two pass decoding makes up for any 2dB improvement in decoding JT9. I
> > also find a single static crash can take out JT9 decodes, more so than
> > JT65.
> >
> > > > Why not JT9? It has a 2 dB improvement in S/N ratio on 160, while
> > > > using only 1/10 of the bandwidth.
> > > >
> > > > I cannot understand why JT9 is used so little on 160 thru 20. JT65
> > > > is a VHF mode.
> > > >
> > > > physics.princeton.edu/pulsar/K1JT/wsjtx.html
> >
> _________________ Topband Reflector Archives -
> http://www.contesting.com/_topband
> 
> 


-- 
Brian D 
G3VGZ