01
Signal Strength
See actual dBm signal levels and quality ratings for each channel in your area.
Over-the-air TV coverage · United States
Rays Atlas
Find free over-the-air TV channels in your area. Coverage data for 31,541 ZIP codes across all 52 states and territories.
Example: 10001 (New York), 90012 (Los Angeles), 60601 (Chicago)
Coverage · United States
31,541 ZIPs
Open full map
31,541 ZIP codes mapped
52 states & territories
10 major networks
v3.2 updated May 2026
§ 01 · What you get
What You'll Find
02
Major Networks
Find ABC, NBC, CBS, FOX, PBS, CW, and more with channel numbers.
03
Terrain Analysis
Our coverage uses SRTM elevation data for accurate terrain-aware predictions.
04
Antenna Advice
Get recommendations for indoor vs outdoor antennas based on signal quality.
§ 02 · Networks
Networks We Track
ABC 32,202
NBC 32,029
CBS 32,087
FOX 31,758
PBS 32,350
CW 24,853
MyNetworkTV 28,232
ION 30,908
Telemundo 21,309
Univision 13,354
Numbers reflect ZIP codes where the network has at least one transmitter rated Fair or better.