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A metal mast should be grounded. At a minimum, use 10 gauge solid or stranded wire run directly to an 8 ft. ground rod. No sharp turns in the wire. You should also have a good surge arrester on your incoming coax or lead-in wire. It, too, should be grounded. If you're able to "bond" the ground rod to the house's incoming utility grounding system, do it. ...

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