Topband: Top Band and JT65

Jorge Diez - CX6VM cx6vm.jorge at gmail.com
Sat May 13 16:56:43 EDT 2017


I did JT65 on 160, but really what´s the challenge?

Is amazing when you did a CW qso, switching between RX antennas, filters
and radio adjustments to pull out a callsign

I don´t know what people than been on topband for decades feel about that

73.
Jorge
CX6VM/CW5W

2017-05-13 17:42 GMT-03:00 Mike Waters <mikewate at gmail.com>:

> Maybe some do. But I usually turn the speakers off when operating digital
> modes.
>
> That extra 2 dB over JT65 --as well as freeing up large portions of the
> band-- ought to matter to more hams.
>
> 73, Mike
> www.w0btu.com
>
> On May 13, 2017 3:32 PM, "Brian Pease" <bpease2 at myfairpoint.net> wrote:
>
> This may sound strange, but my opinion is that hams like the musical tones
> of JT65.
>
>
> On 5/13/2017 3:27 PM, Mike Waters wrote:
>
> > 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
> >
> >
> > 73, Mike
> > www.w0btu.com
> >
> > On May 13, 2017 2:03 PM, "James Denneny" <57jndenneny at comcast.net>
> wrote:
> >
> > I am hoping more DX stations will take advantage of the JT65 mode on 1838
> > next season.  I have been using it on 20M recently and am amazed at its
> > weak
> > signal performance.
> >
> > This mode should enhance the capture of DX entities on TB particularly
> with
> > propagation decline. It's main drawback is the time involved with
> exchanges
> > due to decoding but, the enhanced performance makes up for that.
> >
> > Jim
> >
> > K7EG
> > _________________
> > Topband Reflector Archives - http://www.contesting.com/_topband
> >
> >
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>



-- 
73,
Jorge
CX6VM/CW5W


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