RF Coverage Mapping Tools for Amateur Radio

Find software and online tools to predict radio signal propagation and visualize coverage areas for your ham radio operations.

Austin
Reviewed by • Digital Modes & Software Editor March 2026

RF coverage mapping tools help ham radio operators visualize and predict how radio signals will propagate across terrain. These tools are essential for planning effective antenna installations, optimizing repeater sites, and understanding signal reach for various bands and modes. Accurate propagation predictions are crucial for successful DX operations, local QSOs, and emergency communications, allowing hams to make informed decisions about their station setup.

Operators can find software for detailed VHF and UHF propagation prediction, often using models like the Irregular Terrain Model (Longley-Rice), to analyze potential coverage from a specific site. Tools such as Radio Mobile and SPLAT! for Windows provide robust path loss and coverage prediction capabilities. Additionally, online services like CloudRF and HeyWhatsThat Path offer quick line-of-sight calculations and HF propagation forecasts, helping hams anticipate band conditions and optimize their operating times.

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