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The Radio Society of Great Britain (RSGB) is the national association for amateur radio operators in the United Kingdom. Founded in 1913 — making it one of the oldest amateur radio societies in the world — the RSGB represents the interests of UK amateurs, administers the licensing examination system, and supports the amateur radio community through education, publications, events, and advocacy.
The RSGB traces its origins to the Wireless Society of London, established in 1913 by a group of early wireless experimenters. As interest in amateur radio grew across Britain, the organization broadened its scope and adopted the name Radio Society of Great Britain. Throughout its history, the RSGB has been closely involved in the development of amateur radio in the UK and internationally, including playing a key role in securing and defending amateur spectrum allocations.
During both World Wars, many RSGB members contributed their radio skills to military communications efforts. In the post-war years, the Society grew substantially and became the primary advocate for amateur radio interests with the UK government and regulatory bodies. Today the RSGB is the UK member society of the IARU and represents British amateurs at international regulatory forums.
The RSGB manages the amateur radio examination system in the United Kingdom on behalf of the Office of Communications (Ofcom). The UK licensing structure has three progressive levels:
The RSGB coordinates a network of exam centres and registered assessors across the UK. Examinations are available both in person and through remote invigilation. The Society also publishes study guides and course materials for all three licence levels and supports clubs and individuals who run training courses.
The RSGB represents the amateur radio community in discussions with Ofcom, the UK government, and international bodies. This includes responding to consultations on spectrum policy, defending amateur allocations against commercial encroachment, and working to improve the regulatory environment for amateurs. The Society's Spectrum Forum brings together volunteers with expertise in regulation, propagation, and interference issues to advise on policy matters.
The RSGB produces a range of publications for amateur radio operators:
The RSGB sponsors a busy calendar of contests and awards throughout the year. UK-based contests include the RSGB HF contests, VHF/UHF contests, and the popular Islands on the Air (IOTA) program. IOTA encourages operators worldwide to make contacts with stations on islands, and it has become one of the most widely pursued award programs in amateur radio, attracting participants far beyond the UK.
Other award and operating programs include the Commonwealth Contest, the RSGB 80m Club Championships, and various activity weekends that encourage on-air participation.
Beyond exam preparation, the RSGB supports amateur radio education through its network of affiliated clubs, many of which run regular training courses for new and upgrading licensees. The Society provides instructor resources, syllabi, and assessment support. The RSGB also engages with schools and youth organizations to introduce young people to radio and electronics through programs like the Primary Schools programme and partnerships with organisations such as Scouts and Guides.
The RSGB works with partner organizations to support emergency communications preparedness. Through its relationship with the Raynet (Radio Amateurs' Emergency Network) organization, UK amateurs provide volunteer communications for public events and during emergencies when normal communications infrastructure is disrupted.
GB3RS is the RSGB's National Radio Centre station, located at Bletchley Park in Milton Keynes. The station is open to visitors and offers the opportunity to operate on the air from a well-equipped station with a historic setting. The RSGB also coordinates special event stations throughout the year, often tied to anniversaries, public events, or awareness campaigns.
RSGB membership is open to licensed and unlicensed individuals in the UK and internationally. Member benefits include a subscription to RadCom, access to the QSL bureau, contest and award eligibility, reduced pricing on RSGB publications, and the satisfaction of supporting amateur radio advocacy and education in the UK. Various membership tiers are available, including options for families, students, and overseas members.
The RSGB is organized into regions across the UK, each supported by a Regional Manager. Local affiliated clubs form the backbone of amateur radio activity, and the RSGB provides support through affiliation benefits, club grants, and a network of volunteers who assist with training, licensing, and events at the local level.