Explore frequency, privilege and path together
Choose a license class and frequency, then connect the legal answer to common activity, radio geography and a practical learning path.
Choose a band
All current U.S. amateur allocation groups remain available.
| Frequency | Permitted use | Power / important notes |
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Put the band in geographic context
Grid values stay in this browser; they are not submitted to WC4DC. Use a broader grid when sharing a home location publicly.
Distance fit only — actual results depend on time, ionospheric and tropospheric conditions, mode, power, terrain, noise, antenna height, gain and orientation.
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Base map © OpenStreetMap contributors. CQ/ITU boundaries: HB9HIL hamradio-zones-geojson (MIT).