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LC control 85067833
LC classificationQC881.2.I6
Topical headingIonosphere
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Variant(s)Heaviside layer
Kennelly-Heaviside layer
See alsoUpper atmosphere
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Found inGlossary of meteorology, via American Meteorological Society website, Oct. 15, 2018 (ionosphere: The atmospheric region containing significant concentrations of ions and electrons. Its base is at about 70-80 km and it extends to an indefinite height. In terms of the standard upper-atmospheric nomenclature, the ionosphere is collocated with the thermosphere and the upper mesosphere, while the outer ionosphere also forms part of the magnetosphere.)