单词 | radio direction finder |
释义 | > as lemmasradio direction finder radio direction finder n. = direction-finder n. at direction n. Compounds 2; abbreviated RDF. ΘΚΠ the mind > attention and judgement > discovery > instrument for detection > [noun] > radar system > apparatus used in > direction finder radiogoniometer1908 radio direction finder1916 goniometer1921 1916 Science 25 Feb. 276/2 The success of the Bureau of Standards in developing a radio-direction finder. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IV. 232/2 This ground-based radio direction finder, operating at frequencies of 2 to 20 megacycles, is used mainly for navigational assistance in the long-distance en-route zone. 1992 W. F. Buckley WindFall v. 69 If necessary we would home in on Funchal using the Radio Direction Finder. < as lemmas |
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