Appleton layer (n)
F layer (n)
F region (n)

n08582337

type n
lex_filenum 15
def 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
Outgoing links
Instance Hypernym region, part
Part holonym ionosphere
Incoming links
Part meronym ionosphere
Instance Hyponym region, part

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