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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 .
Solar-powered Amateur Radio Station in tents with portable VHF/UHF satellite and HF antennas in the background HF transceiver for voice communications. Field Day is an annual amateur radio contest, widely sponsored by IARU regions and member organizations, encouraging emergency communications preparedness [1] among amateur radio operators.
ARRL World Grid Locator Atlas. Newington, CT: American Radio Relay League. 2007. Containing all 32,400 Maidenhead Locator Squares; IARU Locator of Europe. Potters Bar, UK: Radio Society of Great Britain. 1984. IARU Locator of Western Europe. Potters Bar, UK: Radio Society of Great Britain. 1985. (scale 1:2,000,000) ARRL Amateur Radio Map of ...
Logbook of the World (LoTW) is a web-accessed database provided by the American Radio Relay League (ARRL) to implement a contact verification service among amateur radio operators. Using LoTW, radio amateurs (hams) are able to claim and verify contacts (QSOs) made with other amateurs, generally for claiming credit for operating awards, such as ...
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 ...
Map of Canadian amateur radio prefixes/suffixes. Citizens of the United States or Canada may operate in the other country as a domestically licensed station, as if their license had been issued in said country, without the requirement of obtaining any license or permission from the other government. [15] [5]
For example, the peak envelope power limits for the highest available license classes in a few selected countries are: 2.25 kW in Canada; [67] 1.5 kW in the United States; 1.0 kW in Belgium, Luxembourg, Switzerland, South Africa and New Zealand; 750 W in Germany; 500 W in Italy; 400 W in Australia, India, and the United Kingdom; and 150 W in Oman.
Again during World War II, as it had done during the first World War, the United States Congress suspended all amateur radio operations. [9] With most of the American amateur radio operators in the armed forces at this time, the US government created the War Emergency Radio Service which would remain active through 1945.