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radio altimeter
(Encyclopedia)radio altimeter: see altimeter.radio beacon
(Encyclopedia)radio beacon: see radio range.Radio City
(Encyclopedia)Radio City: see Rockefeller Center. ...radio compass
(Encyclopedia)radio compass: see radio range.radio telescope
(Encyclopedia)radio telescope: see radio astronomy. ...satellite radio
(Encyclopedia)satellite radio: see digital radio. ...Jansky, Karl Guthe
(Encyclopedia)Jansky, Karl Guthe, 1905–50, American radio engineer; b. Norman, Okla. After graduating (1927) from the Univ. of Wisconson, he joined the Bell Telephone Laboratories. While trying to determine the c...Ryle, Sir Martin
(Encyclopedia)Ryle, Sir Martin, 1918–84, British radio astronomer, B.S. Oxford, 1939. Ryle was a researcher and professor at Cambridge from 1945 until his retirement in 1982. Knighted in 1966, he was Britain's As...De Forest, Lee
(Encyclopedia)De Forest, Lee, 1873–1961, American inventor, b. Council Bluffs, Iowa, grad. Yale, 1896. He was a pioneer in the development of wireless telegraphy, sound pictures, and television. His triode (1906)...short waves
(Encyclopedia)short waves, radio waves whose frequencies range from about 3 to 25 megahertz (Mhz), corresponding roughly to the high-frequency band (see radio frequency). When they impinge on certain layers of the ...Browse by Subject
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