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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 .
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 ...
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 ...
An All-Time New One (ATNO) [2] is an operator's contact with an amateur station that they have never worked before on any band or mode. [3] [4] Many amateurs will send QSL cards to stations they have worked. [5] Computer-based logging software, such as the American Radio Relay League's Logbook of the World, can also be used for logging contacts ...
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 ...
At the beginning of each practice session the QST year and month of publication as well as the page numbers are given followed by the article being transmitted at 5, 7-1/2, 10, 13 and 15 words per minute for "slow code" and 35, 30, 25, 20, 15, 13 and 10 for "fast code". Because these training sessions are scheduled for specific published days ...
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 are operating in the best interests of Amateur Radio in ...
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]