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E region
noun
- the region of the ionosphere in which the E layer forms.
E region
noun
- See ionospherea 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
- 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.
- Also called E layer Heaviside layer
- Compare D region
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Word History and Origins
Origin of E region1
First recorded in 1935–40
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