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While we can't imagine why anyone would ever need an over-the-air TV antenna these days, here's a way to save some money and time by putting together one of your on your own.  Make user Rich Reynolds shows how to do it for less cheap by simply attaching a soda can to a transformer.

The first thing you do is cut a soda can in half. Next, staple the two halves to a piece of wood and hot glue a wire to run from the cans to the transformer. And that's all there is to it! The only downside is that it's definitely not the prettiest solution in the world...