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antenna

(Encyclopedia)antenna ăntĕnˈə [key], in electronics, system of wires or other conductors used to transmit or receive radio or other electromagnetic waves (see radio); sometimes called an aerial. The idea of usi...

Limbaugh, Rush

(Encyclopedia)Limbaugh, Rush (Rush Hudson Limbaugh 3d) lĭmˈbô [key], 1951–2021, conservative radio...

Davis, Elmer

(Encyclopedia)Davis, Elmer, 1890–1958, American newspaperman, radio commentator, and author, b. Aurora, Ind. Davis was a Rhodes scholar (1910–13) at Oxford. For 10 years (1914–24) he was on the staff of the N...

instrument-landing system

(Encyclopedia)CE5 Instrument-landing system (ILS), the most common instrument-landing approach system, uses two beams to guide an airplane. instrument-landing system (ILS), ground-based radio system designed to...

Motala

(Encyclopedia)Motala mo͞oˈtäˌlä [key], city (1990 pop. 29,630), Östergötland co., S Sweden, on Lake Vättern and on the Göta Canal. It is an important lake port and an industrial center. Manufactures includ...

Arecibo Observatory

(Encyclopedia)Arecibo Observatory, radio-astronomy facility located near Arecibo, Puerto Rico, part of the National Astronomy and Ionosphere Center. Conceived by, designed by, and built under the supervision of Wil...

Hewish, Antony

(Encyclopedia)Hewish, Antony, 1924–, British astrophysicist, Ph.D. Cambridge, 1952. Hewish spent his entire career as a faculty member at Cambridge, retiring in 1989. He shared the 1974 Nobel Prize in Physics wit...

Clark, Dick

(Encyclopedia)Clark, Dick,, 1929-2012, American radio and TV broadcaster and producer, b. Bronxville, N.Y., as Richard Wagstaff Clark; Syracuse Univ. (B.A., 1951). Be...

Terkel, Studs

(Encyclopedia)Terkel, Studs, 1912–2008, American writer, social historian, and radio and television personality, b. the Bronx, N.Y., as Louis Terkel, grad. Univ. of Chicago (Ph.B. 1932, J.D. 1934). Terkel, who mo...

quasar

(Encyclopedia)quasar kwāˈsär [key], one of a class of blue celestial objects having the appearance of stars when viewed through a telescope and currently believed to be the most distant and most luminous objects...