TV Signal Coverage Map

Interactive 3D terrain visualization of over-the-air TV signal strength

Network:

3D Terrain

Signal Strength

Excellent > -30 dBm

Good -40 to -30 dBm

Moderate -50 to -40 dBm

Weak -60 to -50 dBm

Poor < -60 dBm

About This Map

This interactive map shows TV signal coverage across the continental United States. The data is computed using terrain-aware RF propagation modeling with SRTM elevation data for 593 million grid points (~160m resolution).

Tips:

Use the network selector to view coverage for specific TV networks
Toggle 3D terrain to see how mountains affect signal propagation
Click "My Location" to center the map on your position
Tilt and rotate the map with right-click drag or Ctrl+drag