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In 1936, the contest name changed to the ARRL International DX Contest, the name under which it is known today. To complement the burst of activity and interest being generated in DX communications by the popularity of the International Relay Parties, the ARRL adopted a competitive operating format for events designed for non-international contacts
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 .
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 ...
Since 10 meters can frequently open up to propagate globally, most 10-meter repeaters use a CTCSS sub-audible access tone. 16 kHz-wide signals with 5 kHz deviation is normal in this band. 8 kHz-wide signals with 2.5 kHz deviation can also be found. 2.5kHz deviation is mandated by FCC rules below 29.0 MHz.
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. In the United States, it is typically the largest single emergency preparedness exercise in the country, with over 30,000 operators participating each year.
(ARRL 60 meter operations ) The primary (first priority) user of the channelled 60 meter band is the U.S. National Telecommunications and Information Administration (NTIA). Effective 5 March 2012 the FCC permits CW, USB, and certain digital modes on these frequencies by amateurs on a secondary basis.
Justin told the ARRL that he had no plans to introduce the 4-meter band to the United States, despite the fact that numerous European governments allow amateurs rights on the band. He said, "This beacon is solely for radio scientific usage as an E-skip detecting device" On 70.005 MHz, WE9XFT is transmitting 3 kW ERP to Europe.
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