The Federal Communications Commission (FCC) hosts an interactive mapping service designed to help consumers evaluate their local broadcast television reception.
It uses a terrain-sensitive propagation algorithm to evaluate your elevation, local hills, and the distance to nearby broadcast towers. dtv gov maps
Amplifiers help if you have long cable runs or are splitting the signal between multiple TVs. However, if the FCC map shows you have Strong (Green) signals, an amplifier can overload your tuner and degrade your picture. 📺 How to Scan for Channels After Mapping dtv gov maps
