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radio
(Encyclopedia) CE5 A. AM transmitter B. AM receiver radio, transmission or reception of electromagnetic radiation in the radio frequency range. The term is commonly applied also to the equipment…FM Radio
The Question: When did FM radio begin? The Answer: Howard Armstrong broadcast the first radio transmission employing frequency…Reber, Gröte
(Encyclopedia) Reber, Gröte, 1911–2002, American radio engineer, b. Chicago, Ill. After graduating from the Armour Institute of Technology (now the Illinois Institute of Technology) in 1933, Reber…radio range
(Encyclopedia) radio range, geographically fixed radio transmitter that radiates coded signals in all directions to enable aircraft and ships to determine their bearings. An aircraft or ship can…radio astronomy
(Encyclopedia) radio astronomy, study of celestial bodies by means of the electromagnetic radio frequency waves they emit and absorb naturally. Radio waves also come from outside the Milky Way.…Jodrell Bank Observatory
(Encyclopedia) Jodrell Bank ObservatoryJodrell Bank Observatoryjôdˈrəl [key], observatory for radio astronomy located at Jodrell Bank, Macclesfield, England. Founded in 1945 on the site of a…CB radio
(Encyclopedia) CB radio: see radio.citizens band radio
(Encyclopedia) citizens band radio: see radio.digital radio
(Encyclopedia) digital radio, audio broadcasting in which an analog audio signal is converted into a digital signal before being transmitted; also known as digital audio broadcasting (DAB) and high-…National Radio Astronomy Observatory
(Encyclopedia) National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated…Trending
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