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IEVref:705-06-19ID:
Language:enStatus: Standard
Term: D region
Synonym1: D layer (deprecated)
[Preferred]
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Definition: the lower part of the Earth's ionosphere lying approximately between 50 and 90 km in height

NOTE – The electron density of the D region is very low during the night and is generally of the order of 108 to 109 electrons per cubic metre during the day.


Publication date:1995-09
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