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E region

noun

  1. the region of the ionosphere in which the E layer forms.

E region

noun

  1. See ionosphere
    a region of the ionosphere, extending from a height of 90 to about 150 kilometres. It reflects radio waves of medium wavelength Also calledHeaviside layerKennelly-Heaviside layer See also ionosphere

E region

  1. The region of the ionosphere that lies approximately 90 to 150 km (56 to 93 mi) above the Earth's surface. This region may affect long-distance communications because it influences radio waves in the 1-3 megahertz range.
  2. Also called E layer Heaviside layer
  3. Compare D region

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Word History and Origins

Origin of E region1

First recorded in 1935–40

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