On 03/02/2014 02:17 PM, Ham Radio Java wrote:
> My experience is kind of old, as I was an user of the OFDM modem by 
> AOR, and without fail, I'd sooner or later get jammed off the band by 
> the friendly people down south, as I could sometimes manage a whole 25 
> watts.
I don't even know how anyone got OFDM to work with an amplifier designed 
for SSB. My impression was that you needed class A. But I've never tried it.
> By that I mean, is the FEC and important data bits outside some ribs 
> and fur, or more protected nearer the heart.
David proposes to implement LDPC across more than two frames as the next 
step in robustness.

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