On Sunday, August 12, 2018 at 9:04:58 PM UTC-7, Peabody wrote:
I have a Sharp dumb TV,... need to figure out what local channels I can get.

It can be done by experimenting with aiming a directional antenna, but
it can also be done by visiting one of the websites that contains
station location info.

Antennaweb.org is one, and the FCC covers the US situation pretty well
https://www.fcc.gov/media/engineering/dtvmaps