What is ham radio? Getting into amateur radio and why you need a licence
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Amateur radio, usually called ham radio, is a hobby in which licensed people talk to each other, experiment and build things using radio, across town or across the world, without needing a phone network or the internet. It is older than broadcasting and still active today, with clubs and nets in most countries. Here is what hams actually do and why the licence is part of the deal.
What hams do
- Talk locally: handheld or car radios, often through repeaters on hilltops, for chatting with nearby operators or joining a regular on-air meeting called a net.
- Talk worldwide: on the high-frequency (HF) bands, signals can bounce off the ionosphere and reach other continents. Making contacts with distant countries is known as DXing.
- Morse code: still widely used and much loved, even though no exam requires it in the UK or the US.
- Digital modes: computer-based modes that can get a message through with very little power or a very weak signal.
- Contesting: timed events in which stations try to log as many contacts as possible.
- Building and experimenting: making antennas, kits and test equipment, and learning electronics along the way.
- Satellites and space: amateur satellites, and sometimes contacts with astronauts aboard the International Space Station through school programmes.
- Portable operating: taking a small radio up a hill or into a park for outdoor activation programmes.
- Emergency and public service communications: volunteer groups provide radio support for events and civil emergencies.
Why you need a licence
Radio spectrum is shared and regulated. Amateurs are given access to specific bands on the understanding that they know what they are doing. A licence is how the regulator, Ofcom in the UK and the FCC in the US, checks that you understand:
- Which frequencies you may use, so you do not interfere with aircraft, emergency services or commercial users.
- Power and safety rules, including keeping people a safe distance from transmitting antennas.
- Basic technical knowledge, so your equipment does not spray interference across other bands.
- Operating rules, such as identifying your station with your call sign.
Without a licence you can listen to amateur bands freely in the UK and US, and many people start that way with an inexpensive receiver or an online receiver. But transmitting on amateur frequencies without a licence is illegal, and regulators do act on it.
What the licence gives you
- A unique call sign that identifies you on air.
- The right to transmit on amateur bands within limits that depend on your licence level.
- The freedom to build and modify your own equipment, which is unusual among radio services.
Amateur radio is non-commercial: you cannot use it for business, and in general you should not use it to broadcast music or to obscure the meaning of your messages.
Is it for you?
It might suit you if you enjoy any of these: talking to strangers about technical subjects, tinkering with electronics, being outdoors, learning skills that work when other networks fail, or the simple magic of hearing a voice from the other side of the world arrive through a wire you strung up yourself.
How to start
- Listen first. Find your local repeater or an HF band and hear how contacts go.
- Find a local club. Most clubs welcome newcomers, run training and can lend equipment.
- Study for the entry-level licence. In the UK that is Foundation; in the US it is Technician. Both are designed for beginners.
- Get on air with a simple radio and antenna, and make your first contact.
Are you thinking about getting licensed, or already on air? Ask questions or share how you got into ham radio in the comments.