Radio Amateur Telecommunication Society

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• History of radio — The pre history and early history of radio is the history of technology that produced radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio.… …   Wikipedia

• Bangladesh Amateur Radio League — infobox Organization name = Bangladesh Amateur Radio League image border = size = 90px caption = msize = mcaption = abbreviation = BARL motto = formation = May 20, 1979Bangladesh Amateur Radio League (2008). [http://www.barl.org/ Bangladesh… …   Wikipedia

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• D-STAR — This article is about the digital voice mode used in amateur radio. For the physical quantity, see Specific detectivity. For the concept in robotics, see D* search algorithm. For more details on this topic, see List of amateur radio modes. ICOM… …   Wikipedia