Now to my question. If I am happy with how the RTTY is performing now
using AFSK, what is the incentive to setup for FSK?
I think you answered your own question :-)
In the olden days, before good SSB rigs were common, direct FSK was the
best -- perhaps the only -- way to generate clean RTTY signals.
Modern radios like the K3 offer excellent carrier and opposite sideband
suppression, so AFSK can generate signals every bit as good as FSK, at
least on a practical basis. I'm sure there will be some who will be
aghast and strongly differ with this assertion, but the point is that
using AFSK on the K3 for RTTY operation works very well.
73,
Lyle KK7P
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