The term "DTV gov maps" refers to official geospatial representations of digital television signal coverage, maintained by national regulatory bodies (e.g., FCC in the US, Ofcom in the UK, ANFR in France). Unlike commercial mapping (e.g., TV Fool, RabbitEars), government maps serve legal and regulatory functions:
Long runs of cheap, thin cable degrade signal quality. Use shielded RG6 coaxial cable to connect your antenna to the TV.
If the map shows "Poor" or "No Coverage" for the nearest major city, you may need a large, outdoor directional antenna mounted on a rotor, plus a pre-amplifier. The map helps you aim the antenna precisely at the transmitter coordinates provided in the station's data sheet.
: Type in your street address, city, state, or ZIP code.
DTV GOV maps are government-produced or government-endorsed geographic visualizations that show predicted or measured coverage of digital television broadcast services (including signal strength, service contours, and interference zones). They typically come from national communications regulators (e.g., the FCC in the United States) or from agencies working with broadcasters to publish authoritative coverage data. These maps can show:
Government maps systematically over-predict coverage due to:
The 2016-2020 spectrum repack (Incentive Auction) moved 987 stations to lower UHF or high-VHF. Government maps had to be recomputed for: