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Definition of F layer
1. Noun. 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.
Exact synonyms: Appleton Layer, F Region
Group relationships: Ionosphere
Generic synonyms: Part, Region
Group relationships: Ionosphere
Generic synonyms: Part, Region
Lexicographical Neighbors of F Layer
FYI FYIANA FYN-related kinase FYROM F actin F clef F clefs F distribution F instrument F instruments | F layer (current term) F major F minor F minus F minuses F pili F region F waves F word F words | Fab Fab Four |