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perhaps you know this already - make sure the metal sheath in the coax covers the ENTIRE length of the cable when installed, right up to the connectors and inside a little bit if you can manage. A few weeks ago I was working on such a cable, and failed to cover the last 1/2 cm of cable at the connectors with the metal sheath (which I had cut away...), and I got absolutely NO signals from the antenna to the radio. Then I figured it out, and covered the last 1/2 cm with several layers of...aluminum foil then taped-covered, and it worked fine. The cable is only a bridge, placed inside the cabin wall, and so the aluminum foil plus tape is good enough though not professional.
Joseph
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