http://www.arrl.org/
The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the USA. ARRL is a non-profit organization, and was co-founded on April 6, 1914 by Hiram Percy Maxim and Clarence D. Tuska of Hartford, Connecticut
http://www.arrl.org/about-arrl
http://www.arrl.org/news-features
http://www.arrl.org/membership
http://www.arrl.org/on-the-air
http://www.arrl.org/licensing-education-training
http://www.arrl.org/regulatory-advocacy
http://www.arrl.org/public-service