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Hasil cari dari kata atau frase: Appleton layer(0.01053 detik)
Found 1 items, similar to Appleton layer.
English → English (WordNet)
Definition: Appleton layer
n : the highest region of the ionosphere (from 90 to 600 miles
up) that contains the highest concentration of free
electrons and is most useful for long-range radio
transmission [syn: F layer, F region]