Rays Atlas

Find free over-the-air TV channels in your area. Coverage data for 49 major US cities.

Example: 10001 (New York), 90012 (Los Angeles), 60601 (Chicago)

What You'll Find

Signal Strength

See actual dBm signal levels and quality ratings for each channel in your area.

Major Networks

Find ABC, NBC, CBS, FOX, PBS, CW, and more with channel numbers.

Terrain Analysis

Our coverage uses SRTM elevation data for accurate terrain-aware predictions.

Antenna Advice

Get recommendations for indoor vs outdoor antennas based on signal quality.

Networks We Track

ABC NBC CBS FOX PBS CW MyNetworkTV ION Telemundo Univision

Browse by State

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