English
Detailed Synonyms for Appleton layer in English
Appleton layer:
Appleton layer [the ~] noun
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the Appleton layer
– the highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission 1the Appleton layer; the F layer; the F region– the highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission 1