On 4/4/21 at 12:31 PM, [email protected] (Bill Somerville) wrote:
I suppose MAIN and SUB means two independent receivers, whereas
VFO A and VFO B are just software concepts mapped onto a single
receiver. Transmit in SUB only happens in full-duplex satellite
modes, otherwise SUB is only a second receiver.
In the Elecraft K3, MAIN and SUB are two frequencies, with MAIN
used for receive and SUB used for split transmit. If there is a
sub-receiver (identical in function to the main receiver),
installed, then you can monitor the split transmit frequency in
one ear while listening to the main receiver in the other ear.
(Will also work with stereo speakers.)
73 Bill AE6JV
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