Once you have positioned your antenna based on the FCC DTV Reception Map Tool data, you must perform a tuner scan:
The information provided by the DTV Gov Maps directly dictates the type of hardware you need to buy. dtv gov maps
The tool divides local stations into four distinct, color-coded tiers based on their predicted signal level: Signal Tier Color Indicator Recommended Antenna Type Indoor antenna or small tabletop model usually suffices. Moderate Attics or amplified indoor antennas are recommended. Weak Large, directional outdoor antenna mounted high up. No Signal Signals are obstructed by terrain or are too far away. 3. Note the Antenna Direction (Heading) Once you have positioned your antenna based on
Type your street address, city, or zip code into the search box. For the most accurate results, click or drag the red marker on the map directly over your home. 2. Analyze the Signal Strength Categories Weak Large, directional outdoor antenna mounted high up
Clicking on any station's call sign pulls up detailed data, showing the compass direction (heading) from your home to the transmitter. Use this information to point a directional antenna directly at the towers for optimal signal capture. 💡 How to Use DTV Maps to Pick the Right Antenna
It uses a terrain-sensitive propagation algorithm to evaluate your elevation, local hills, and the distance to nearby broadcast towers.