Once you have positioned your antenna based on the FCC DTV Reception Map Tool data, you must perform a tuner scan:
"DTV gov maps" are not empirical observations but model-based legal assertions. They serve spectrum policy and interference resolution, not consumer installation guidance. The cliff effect, combined with simplified terrain modeling, guarantees that static government maps have a 30-40% error rate at the margin of coverage. For end-users, government maps are heuristics; for engineers, they are constraints. Future systems must separate regulatory coverage (for licensing) from reception probability (for consumers) into two distinct cartographic products. dtv gov maps
: Type your full street address, city, and state into the search bar. Avoid special characters or PO Box numbers. Once you have positioned your antenna based on