Steve (K9ZW) shares his thoughts on JT65 as an Amateur mode in a well written thought out post. I found myself agreeing 100% with his thoughts on JT65
There are a good many people having a stab at running JT65 ( http://en.wikipedia.org/wiki/JT65#JT65 )
The mode is interesting as it is much about very precise timekeeping as anything. By very carefully syncing the transmitter and receivers software the receiver can complete reception below any normal communication mode.
It sort of reminds me of when I was once asked to be part of a team watching a particular window in a particular apartment building to see if the light was on at a certain time. In the midst of all the noise (all the lights going on & off in the hundreds of windows) that one particular window would be lit up at exactly a certain instance apparently meant something – afraid we were never told exactly what, but it much have been important!
Through timing a sequencing JT65 is hundreds of “little windows” that the software checks in a…
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