Radio waves transmit to millions of people worldwide, crossing borders and political boundaries. But national laws restrict their usage.

Unrestricted access to the airwaves without control, planning and management would become chaotic and dangerous. Channels designated for emergency services, the military and other national bodies like air traffic control require private communications.

If you’re new to amateur radio, understanding the different laws regulating civilian use can quickly become confusing. Here, we review which ham frequencies civilians can use and operate with and without a license. Learn the different regulations to stay on the right side of the law.

What Radio Frequency Can Civilians Use?

Radio frequencies in the United Kingdom are allocated and managed by Ofcom, the communications regulator.

Ofcom manages the frequency ranges allocated for civilian use and the licencing service for all radio users, including amateurs and enthusiasts. Certain types of usage will require a licence from Ofcom.

The Wireless Telegraphy Act 2006 and the Communications Act 2003 give Ofcom the responsibility for managing the UK spectrum of frequencies. Allocation of and alteration to frequencies worldwide is agreed upon at World Radio Conferences and incorporated into the Radio Regulations.

The most popular frequency ranges for amateur radio use in the UK are 144 to 146MHz and 430 to 440MHz. 

Ofcom produces a Frequency Allocation Table for the UK (UKFAT), which explains the allocation of frequencies and which ones are available for civilian usage.

Is It Illegal for Civilians To Use a Ham Radio Without a Licence?

In the UK, most radio transmitting devices will require a licence issued by Ofcom.

Ofcom regulates who can transmit and on what frequency, to maintain control of the airwaves and prescribe order. Ofcom needs to protect official users such as the emergency services, the military and air traffic control so they can operate safely.

Robust radios up to 25 watts for base stations and vehicle radios and handheld walkie-talkies up to 5 watts will require a licence from Ofcom. Licensed radios are more powerful, with better signal penetration in buildings and a greater frequency range.

Most ham radio users will apply for the ‘UK Simple Licence’, which ascribes the basic right to use more powerful radios anywhere in the UK over a set of frequencies which all the licence users share.

Ofcom has straightforward instructions on becoming an amateur radio user, with three categories of licensure for amateur users: foundation, intermediate, and full. Surpassing each level requires sitting an exam. 

In many situations, using a ham radio without a licence is illegal. However, there are some scenarios where it is not against the law, including contacting the emergency services, accessing emergency weather radios, or listening to local amateur transmissions.

The legal exceptions all include listening. It is illegal to transmit without a licence unless you are trying to contact the emergency services, which is the only transmission exemption. Therefore, most ham users apply for a licence because they want to listen and transmit.

What Happens If You Use Ham Radio Without a Licence?

Ofcom has the power to revoke a user’s licence if they don’t abide by the rules. However, if a user doesn’t have a licence in the first place, then theoretically, you could be prosecuted under the communications industry legislation.

Under the Wireless Telegraphy Act 2006, it is an offence to establish, install or use a wireless telegraphy station unless doing so under a licence issued by Ofcom or an exemption that protects the user from the need to hold a licence.

Most hobbyists are not interested if people are licenced or not. They are only concerned with users who disrupt the service and are far more likely to report them for interfering with transmissions than someone who may not have a licence. 

What Frequency Can You Use on a Radio Without a Licence?

You can only transmit on civilian frequencies without a licence if your radio complies with regulations.

Radios that meet prescribed standards in terms of their power output and frequencies can be used without a licence, such as: 

• PMR 446 - anyone in the UK or EU can use basic short-range walkie-talkies that conform to the EU standard “PMR446” without a licence. PMR stands for Personal Mobile Radio.

• CB Radio - anyone in the UK can use a CB Radio without a licence, providing that the equipment is operated in accordance with official regulations.

• Walkie-Talkie - licence-free two-way radios manufactured with the permitted selection of frequencies channels already pre-programmed. They are easy to use and less expensive than licenced radios, and rechargeable versions give good operating time. The latest digital technology has improved both performance and voice quality.

Licence-free radios are not ideal for business users as the transmissions are not secure, so their usage tends to be popular among amateur enthusiasts. They are surprisingly popular, so the channels can become very congested.

Can You Transmit on a Ham Radio Without a License?

Technically, you can transmit on a ham radio without a license. What we mean is that the technology is capable of doing so. 

However, it is illegal to transmit without a licence.  Ofcom and the Wireless Telegraphy Act 2006 exist to protect users as much as the national bodies responsible for public safety and private communications.

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