[Elecraft] K3 FSK D low tones?

[Brian Alsop]

2KHz is getting a bit above my hearing range.

I wonder if there is a way to do low tone FSK-D @1275 Hz mark.
Not interested in AFSK.

I suppose the center frequency of the filter would have to be reset as 
well as the dual tone filter.

73 de Brian/K3KO


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