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. The ARRL represents the interests of amateur radio operators before federal regulatory bodies, provides technical advice and assistance to amateur radio enthusiasts, supports a number of educational programs, and sponsors emergency communications service throughout the country. The ARRL has approximately 154,000 members. In addition to members in the US, the organization claims over 7,000 members in other countries. The ARRL publishes many books and a monthly membership journal called QST.
The Amateur Radio Council of Arizona, Inc. (ARCA) is a statewide organization comprised of Amateur Radio Clubs from all parts of Arizona, working for the betterment of Amateur Radio statewide. ARCA affiliated clubs present a unified front and have a means to exchange ideas and activities in the spirit of fraternity for which Amateur Radio is so famous. The objectives of the Council are to combine opinions, ideas, and strengths of the various clubs; to assist the affiliated clubs in promoting the welfare of the Amateur Radio fraternity; and to encourage activities that will benefit the art of Amateur Radio. Each affiliated club is represented by a delegate or alternate at each of the Council meetings (currently 6 per year). These delegates nominate and elect the officers of the Council and exchange suggestions on ARCA activities. Implementation begins after a majority vote of the representatives present.”