| Information | |
|---|---|
| has gloss | (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 F region, Appleton layer, F layer |
| has gloss | eng: The F region of the ionosphere is home to the F layer of ionization, also called the Appleton layer, after the English physicist Edward Appleton. As with other ionospheric sectors, layer implies a concentration of plasma, while region is the area that contains the said layer. The F region contains ionized gases at a height of around 150–800 km above sea level, placing it in the Earth’s thermosphere, a hot region in the upper atmosphere, and also in the heterosphere, where chemical composition varies with height. Generally speaking, the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. |
| lexicalization | eng: Appleton Layer |
| lexicalization | eng: F layer |
| lexicalization | eng: F region |
| lexicalization | eng: F-layer |
| lexicalization | eng: F-region |
| instance of | (noun) the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space" region, part |
| Meaning | |
|---|---|
| German | |
| has gloss | deu: Die Appleton-Schicht, auch F-Schicht genannt, ist ein Teil der Ionosphäre der Erde. Sie ist die höchstgelegene der Schichten der Ionosphäre an denen kurzwellige Funksignale reflektiert werden und spielt daher bei der Ausbreitung der Raumwelle von Funksignalen die wichtigste Rolle. Die Appleton-Schicht wurde nach dem britischen Physiker Edward Victor Appleton benannt. |
| lexicalization | deu: Appleton-Schicht |
| Castilian | |
| has gloss | spa: La capa F o capa de Appleton (en honor al físico inglés Edward Appleton) es una región de la ionosfera caracterizada por su capacidad de reflectar las ondas electromagnéticas de una determinada frecuencia que la atraviesan. Se encuentra generalmente entre unos 300 a 500 kmsnm. |
| lexicalization | spa: capa F |
| Links | |
|---|---|
| part of | (noun) the outer region of the Earth's atmosphere; contains a high concentration of free electrons ionosphere |
| similar | e/Appleton layer |
| similar | e/F layer |
| similar | e/F region |
| Media | |
|---|---|
| media:img | Ionosphere Layers en.svg |
| media:img | Ionosphere Layers es.svg |
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