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The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the United States. 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 original organizational purpose of the American Radio Relay League or ARRL which was organized in the early 20th century (1914–15) was mainly for the purpose of relaying third party messages. In many parts of the world outside North America, it is illegal for amateur radio operators to pass messages on behalf of third parties.
Most individual ARES units are autonomous and operate locally. Although the Amateur Radio Emergency Service is a program (and trademark) of the American Radio Relay League (ARRL) in the U.S., the structure is more supportive than directive in nature, providing mostly for mutual aid in the event of large-scale emergencies. As long as local units ...
Visual representation of traffic passing of ARRL radiograms between various nets, from Wisconsin to California. The National Traffic System (NTS) is an organized network of amateur radio operators sponsored by the American Radio Relay League for the purpose of relaying messages throughout the U.S. and Canada.
In 1964, the FCC and the American Radio Relay League (ARRL) developed a program known as "Incentive Licensing," which rearranged the HF spectrum privileges. The General/Conditional and Advanced portions of the HF bands were reduced, with the spectrum reassigned to those in the Advanced and Amateur Extra classes.
a club for amateur radio operators who regularly make use of Morse code United States Amateur Radio Emergency Service: a program of the ARRL American Radio Relay League (ARRL) The National Association for Amateur Radio of United States of America Military Auxiliary Radio System: a United States Department of Defense sponsored program Uruguay ...
In daily practice, most amateur radio operators enrolled with their local government for possible operations under the RACES rules are also members of the Amateur Radio Emergency Service, organized by the American Radio Relay League. ARES provides emergency communications in the conventional Amateur Radio Service without the need for an ...
Radio amateurs have been early in arranging relay leagues, as is reflected in the name of the organization of American Radio Relay League (ARRL).. Radio amateur message relay operations were originally conducted in the first two decades of the 20th century using Morse code via spark-gap transmitters.