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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 NTS as it exists today was first outlined by George Hart, W1NJM (died 24 March 2013) in "New National Traffic Plan: ARRL Maps New Traffic Organization for All Amateurs" as part of the September 1949 issue of QST. While traffic passing between amateur radio operators was nothing new, Hart's system extended coverage of traffic capability in a ...
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 Radio Club Uruguayo: Venezuela Radio Club Venezolano
ARRL. "An explanation of the [Maidenhead] system and how it came into being". jonit.com. From the field hunter's web page. "Map grid square". levinecentral.com. [Maidenhead] grid square for any location or amateur radio call sign "Generate a KML file that outlines a grid position". w8an.net. "Maidenhead locator". dev.unclassified.de.
The First Annual Official Wireless Blue Book of the Wireless Association of America, produced in 1909, contains a list of amateur radio stations. [4] This radio callbook lists wireless telegraph stations in Canada and the United States, including 89 amateur radio stations. As with radio in general, amateur radio was associated with various ...
Although most of their membership is located in other IARU regions, the American Radio Relay League and the Radio Society of Great Britain are full member societies of IARU Region 3. The ARRL represents amateur radio operators in American Samoa , Guam , the Northern Marianas , and other dependent territories in the Pacific Ocean .
During the first full weekend of October of every year in the United States, a nationwide radio communications network is set up that links every major city and most of the geography of the country. This technological infrastructure is set up from scratch within a few hours at locations that vary from state and local government Emergency ...
IARU Region 1 is encouraging individual beacons to move to 50.4 MHz to 50.5 MHz. [4] [5] In the United States, the Federal Communications Commission (FCC) only permits unattended 6-meter beacon stations to operate between 50.060 and 50.080 MHz. [6] Amateur beacons at 50 MHz have also been used as signal sources for academic propagation research [7]