Appleton layer


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Related to Appleton layer: F layer, Sir Edward Appleton

Appleton layer

[′ap·əl·tən ‚lā·ər]
(geophysics)
F2 layer
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Appleton layer

Appleton layerclick for a larger image
The F2 layer of the ionosphere, which is located at an approximate height of 110 to 210 miles (180–350 km). The height of this layer varies in summers and winters as well as during the day and the night. It affects daytime propagation and reflects waves from about 3 MHz to above 30 MHz.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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