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When it comes to antennas mounted on toolboxes there are a lot of factors in play.  Some toolboxes have better electrical connections to the rest of the vehicle than others, and some don't even have good DC connections.  Whats worse, these connections look very different to a high frequency AC RF signal where a DC short can look like an open circuit and a DC open circuit can look like a dead short.


I think a lot of people also simply hook them up and see them work somewhat well and assume that all is well, not realizing that they could significantly improve their setup with a few machine screws, some star washers, and some copper flashing/braid.



The DB