Something that hasn't been mentioned is that common-mode energy forms
into standing waves, e.g. on the outside braid of the coax. An
isolator (choke), as exists on a Carolina Windom, may only change that
point to a current minimum while simply moving the current maximum
point to a different location. Has anyone actually measured the common-
mode current on a Carolina Windom on all bands up and down the coax on
the shack side of the isolator?
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73, Cecil, w5dxp.com