There are online resources that will tell you whether you live in a location where you can get free antenna TV. Consider your surroundings, factors like nearby hills, mountains, tall buildings, and large trees, can impact signal strength. Antenna placement is important. The most important factor is to achieve line-of-site with no obstructions. Outside on the roof is typically the best location.
In the Phoenix, Arizona area contact Free HDTV AZ Antenna Installation at info@freehdtvaz.com or 480-206-2407.
AntennaWeb: This is a popular and accurate tool that provides a detailed coverage map based on your address. It shows you which stations you can receive and even suggests suitable antennas. This is the only site most people would need to use, but there are other resources below. Link: https://www.antennaweb.org/.
Antennas Direct Transmitter Locator: Provides a visual map of TV towers in your area.
Link: https://www.antennasdirect.com/transmitter-locator.html.
TV Fool: Offers more detailed coverage maps, but requires some technical knowledge.
Link: https://www.tvfool.com
FCC DTV Coverage Map: Offers a basic overview of available stations in your area.
Link: https://www.fcc.gov/media/engineering/dtvmaps.