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W1AW is the flagship station for amateur radio operation within the United States. Using pre-established shortwave frequencies and Maxim's distinctive call sign (W1AW), this station transmits one-way voice and digital bulletins in addition to morse code training practice.
Hiram Percy Maxim died in 1936. His callsign W1AW was licensed to the League and remains in use as the first-ever Memorial Station. In 1937 the DXCC Award, for working 100 countries, was established, and it still is the premier achievement in amateur radio. Operators, often under the ARRL Emergency Corps, helped at numerous disasters.
Morse code is a telecommunications method which encodes text characters as ... by listening to the regularly scheduled code practice transmissions broadcast by W1AW, ...
"NU" was taken from the pre-1928 era when amateurs made up their own prefixes, and informally used these letters to show they were in "North America—USA". The "AW" suffix represents the connection with the American Radio Relay League, whose own station is W1AW. NU1AW is frequently active during amateur radio contests.
The resulting Maidenhead subsquare locator string is hence composed of two letters, two digits, and two more letters. To give an example, W1AW, the American Radio Relay League's Hiram Percy Maxim Memorial Station in Newington, Connecticut, is found in grid locator FN31pr. Two points within the same Maidenhead subsquare are always less than 10.4 ...
Historic ARRL radiogram form. An ARRL radiogram is an instance of formal written message traffic routed by a network of amateur radio operators through traffic nets, called the National Traffic System (NTS).
Many amateurs also enjoy setting up and contacting special event stations. Set up to commemorate special occurrences, they often issue distinctive QSLs or certificates. . Some use unusual prefixes, such as the call signs with "96" that amateurs in the US State of Georgia could use during the 1996 Atlanta Olympics, [1] or the OO prefix used by Belgian amateurs in 2005 to commemorate their ...
Russian nuclear icebreaker Arktika with call sign UKTY. Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as Liberia or Panama, which are flags of convenience for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2).