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Pneumatic Launcher Gets Ham Antennas Hanging High

Amateur radio is an eclectic hobby, to say the least. RF propagation, electrical engineering, antenna theory – those are the basics for the Ham skillset. But pneumatics? Even that could come in handy for hanging up antennas, which is what this compressed-air cannon is designed to do. [KA8VIT]’s build will be familiar to any air cannon aficionado. Built from 2? Schedule 40 PVC, the reservoir is connected to the short barrel by a quarter-turn ball valve.
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