On 12/31/2013 7:13 AM, Tom W8JI wrote:

Collins got burned by this. They tried running a pure audio tone into
the SSB transmitter of the early S line to generate CW. The FCC (back

How is this different than RTTY using the AFSK method?
In my FT-1000D, if you try to use FSK mode for RTTY it
turns out that the rig is still running AFSK, using
an internal audio source.

Rick N6RK
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