Dealers

• Javiation
• Lowe Electronics
• Martin Lynch & Son
• The Shortwave Shop

Regulatory Bodies

• European Radiocommunications Office
• Federal Communications Commission(USA)
• International Telecommunications Union
• Radiocommunications Agency

Organisations

• American Radio Relay League (ARRL)
• AMSAT
• AMSAT-UK
• British Amateur Radio Teledata Group (BARTG)
• British Amateur Television Club (BATC)
• City & Guilds of London Institute (C & G)
• Radio Society of Great Britain (RSGB)
• Tucson Amateur Packet Radio (TAPR) group

Manufacturers

• Fordahl Ltd
• G4ZPY Paddle Keys
• Icom (UK)
• muTek
• Kantronics
• Kenwood
• Standard
• Ten-Tec
• Yaesu