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Amateur radio is one of the few hobbies that requires a government-issued licence to participate. This might seem unusual at first, but there are good reasons for it — and the process of getting licensed is more accessible than most people expect.
Amateur radio operators transmit on frequencies shared with other services around the world. Without regulation, interference would make the bands unusable for everyone. Licensing serves several purposes:
The ITU divides the world into three regions for spectrum management:
Each region has its own frequency allocation table, though amateur radio bands are broadly similar worldwide. The ITU Radio Regulations define the amateur service and amateur-satellite service, setting the foundation that national regulators build on.
While every country has its own specific system, most share a common approach:
Most countries offer two to four licence tiers. Lower tiers grant access to a subset of amateur bands with power restrictions, while higher tiers unlock the full range of frequencies and power levels. Advancing through the tiers generally requires passing more challenging exams.
Licence exams typically cover three areas:
Some countries include a Morse code (CW) component, though this has become less common. As of the mid-2000s, most countries (including the US, UK, Canada, and Australia) no longer require Morse proficiency for any licence class.
Upon passing an exam, operators receive a unique callsign — a combination of letters and numbers that serves as their on-air identity. Callsign prefixes indicate the operator's country of origin. For example, callsigns beginning with W, K, N, or AA–AL are assigned to the United States, while G-prefix calls belong to England, VE to Canada, and VK to Australia.
Each country's licensing system has its own structure, exam content, and regulatory body. Detailed information is available for these countries:
One of the great aspects of amateur radio is international operation. Several frameworks make it possible to operate legally in countries you're visiting:
More detail on these arrangements is available on the Reciprocal Licensing page.
A licence isn't a blank cheque — it specifies what frequencies you can use, how much power you can run, and what modes of transmission are permitted. These privileges vary by licence class and country. The Band Privileges page provides an overview of what each licence class can access in major countries.
If you're new to amateur radio and want to get licensed, the How to Get Licensed page in our Getting Started section walks you through the process step by step.