sky wave radio
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sky wave — n. a radio wave that is reflected back to earth from one of the layers of the ionosphere … English World dictionary
sky wave — noun a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth s surface • Hypernyms: ↑radio wave, ↑radio emission, ↑radio radiation • Hyponyms: ↑ionospheric… … Useful english dictionary
sky wave — Radio. a radio wave propagated upward from earth, whether reflected by the ionosphere or not. [1925 30] * * * … Universalium
sky wave — /ˈskaɪ weɪv/ (say skuy wayv) noun a radio wave reflected by the ionosphere (opposed to ground wave) …
sky wave — noun Date: 1928 a radio wave that is propagated by means of the ionosphere … New Collegiate Dictionary
sky wave — A radio wave that propagates by traveling upward into the upper reaches of the atmosphere and is reflected so that it returns to the earth. However, some of the waves may not be returned to the earth … Aviation dictionary
sky wave — noun a radio wave reflected from the ionosphere … English new terms dictionary
Sky wave — RadioPP Radio wave that bounces off the ionosphere … Audio and video glossary
Wave Goodbye Tour — Nine Inch Nails performing at the Virgin Festival in Toronto on August 30, 2009. Concert tour by Nine Inch Nails Start date February 17, 2009 … Wikipedia
Radio telescope — A radio telescope is a form of directional radio antenna used in radio astronomy and in tracking and collecting data from satellites and space probes. In their astronomical role they differ from optical telescopes in that they operate in the… … Wikipedia
radio wave — noun an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m (Freq. 2) • Syn: ↑radio emission, ↑radio radiation • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation … Useful english dictionary