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sky wave

Definitions of sky wave
  1. 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
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    types:
    ionospheric wave
    a sky wave that is reflected by the ionosphere
    type of:
    radio emission, radio radiation, radio wave
    an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
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