I've done exactly that! The only issue is that the local transmit signal
is very strong. Although I haven't done this yet, it'd be nice to use a
relay to insert some additional attenuation during transmit.
-de John NI0K rural Debs, MN
N4ZR wrote on 6/7/2021 8:49 PM:
I would like to be able to connect my SDR (an RP-16) to my
transmitting antennas, and have it automatically muted when my
K3/KPA-1500 goes to transmit. The idea is to have the best possible
antennas available for Skimming while active in contests.
It seems to me that I should be able to connect a splitter between the
RX Out and RX In ports on the K3, and use that to feed the SDR by
pressing the RX Ant button (at a cost of ~3.5 dB loss, of course).
Question is, what happens when I go to transmit - is the RX Out line
muted so that my SDR won't try to spot me? Ideally, I'd think it would
be, but I've groped around in the K3 manual and Fred Cady's book, and
haven't found a concrete answer - can anyone help?
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