The GE looks like a unamplified set of rabbit ears so I would expect that to work for one TV if the antenna is near a window and you get it adjusted right.
Due to reflections and near field interactions, a directional antenna would likely be more stable though
Since you need low and high vhf as well as UHF, a small combo antenna like the winegard HD7010 should do a fine job and pull in enough signal to feed all three TVs.
Warren electronics.com has them listed at $45.71
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