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Has anyone in the group ever had a problem with the detector diodes in the Fwd/Ref Power circuit (CM Coupler) failing? Seems that the SWR functions on two of my '980s are inoperative, though the Fwd Set (and both meters themselves) work fine. Only things I can think of which would cause a failure is high near-field energy caused by multi-transceiver operation, or nearby lightning strike.

Regardless, I have some 1SS97s inbound.

Other causes of the malfunction?

73 - Fred, N8YX