Very interesting video. Couple of questions.
1. The SUB RX. If I check the box I do get the blue passband but it
doesn't move when I turn the small VFO knob. Did I understand that is a coming
attraction? I can move the blue passband with the mouse and hear the second
RX. Is this really a poor-man's KRX3? Seems with the LPPan you are getting
the benefit of a single conversion RX (post roofing filters) and DSP filtering
but it is not a true copy of the main RX like the KRX3.
As I think about this, listening to both VFOs through the LPPan/SDR combo is
bypassing the second IF and the DSP filtering in the K3.
2. I still have trouble understanding the synchronization of the pandapter
to the K3. The vertical red line seems to be the tuned frequency + the
sidetone but a CW signal appears to be sitting in the middle of the passband which
is up another 650hz. I can adjust the IF Frequency Global offset to the
sidetone frequency to put the CW signal on the red line. But, when I switch to
the other side (CWL to CWU for instance) the signal is offset. Is this
normal?
Buck
k4ia
K3 #101
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