> > I foresee and recommend this variable OFDM symbol > > approach as the best next step in fast HF modems for hams. > > Those systems are actually very sucessful in high data rate > applications like digital sstv. Appearing 2 years ago they > have become mainstream in a very short time. > > Its not the next step, it's already old stuff, HI
I wasn't aware that it was already happening... is that dynamic variable, does it increment amplitude level symbols based upon updating ARQ feedback, as I was talking about? Or fixed symbol based upon manual operator setting, or a link initialization routine? Which modem is it? Bonnie VR2/KQ6XA
