f region

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Definitions from WordNet

Noun f region has 1 sense

Appleton layer, F layer, F region - 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
--₁ is a kind of region, part
--₁ is a part of ionosphere

Definitions from the Web

f region

Part of Speech: Noun

Sense 1: A region of the Earth's ionosphere, located above the E region and below the F2 region, characterized by highest ionization and strongest radio wave propagation.

Example sentence: The f region is important for long-distance radio communication as it enables signals to bounce off the ionosphere.

Related products on Amazon: F Region Ionosphere Books

Part of Speech: Noun

Sense 2: A geographical region or area starting with the letter "F" that is popular or well-known to the locals.

Example sentence: The coastal town of Florence is a beautiful f region known for its stunning beaches and charming cafes.

Related products on Amazon: F Region Travel Guides

f ex f ing f j f layer f mri f number f ranleder f ratio f region f stop f ux f1 f1 generation f1 generation genetics f1 hybrid vigor f2 f05

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