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Old 06-25-2011, 02:03 PM   #4890 (permalink)
dave koller
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Disconnect the antenna, if possible, turn on the radio and see what you you hear then. If nothing it is coming via RF harmonics thru the antenna. If you hear noise then assume it is coming thru power leads and may need filtering at the power inputs. The inline "booster" may need filtered power but that should be discovered by the disconnect of the antenna. Ain't it fun
Dave ...
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