Topband: Top Band and JT65

[Mike Waters]

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
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