JT9 vs JT65 over CW The same conversation happened when SSB started to gain strength over AM.
73 Mike va3mw > On May 13, 2017, at 7:39 PM, Mike Waters <mikew...@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 <topb...@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 _________________ Topband Reflector Archives - http://www.contesting.com/_topband
