Mike Waters <mikew...@gmail.com> wrote: > 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.
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. > > 73, Mike www.w0btu.com > > On May 13, 2017 3:32 PM, "Brian Pease" <bpea...@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 [snip] -- Brian D G3VGZ _________________ Topband Reflector Archives - http://www.contesting.com/_topband