Depends on the OTA signal strength in your area. A $20 set-top loop antenna might do it. Or you might need an outdoor antenna. A friend of mine has one that cost $129 and is about the size of a DirecTV antenna. I'm looking into an OTA antenna so I can use the pip/input swap features on my TV. With it you can tile up to 16 stations using the internal tuner or tile and swap between inputs. Plus the OTA antenna will let me get the sub-channels on local stations.

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