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QDX v3 Lost transmit on 20/30/40 #troubleshooting #qdx


 

Looking for some troubleshooting steps.? I can measure V,A,R,C,L.? No scope.?
9V build, after build and testing, I had power output on all 4 bands.? I put it in the case and lost 20M transmit, may not be the cause.
I have made contacts on 40M, now 40M has no power output.? I think the cause is tuning my mag loop was too much high SWR.? my loop doesn't do 80M, so that is why it survived?? I do have a solution to the tuning issue in the future.

What are the first steps to troubleshooting this?

--
Marc
N8LO

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