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What is the Appleton Layer and why is it important?

It is this which is often referred to as the Appleton Layer as is responsible for enabling most long range short wave telecommunication. The magneto-ionic theory also allowed Appleton to explain the origin of the mysterious fadings heard on the radio around sunset.

What is the Appleton Layer of the ionosphere called?

Appleton layer, upper layer (called F2) of the F region of the ionosphere. The layer was named for British physicist Sir Edward Victor Appleton. Learn More in these related Britannica articles: …about the level of the F2 layer, which is also called the Appleton layer.

What did Edward Victor Appleton discover?

Sir Edward Victor Appleton. …his discovery of the so-called Appleton layer of the ionosphere, which is a dependable reflector of radio waves and as such is useful in communication.

What did Appleton observe about the strength of radio signals?

Appleton had observed that the strength of the radio signal from a transmitter on a frequency such as the medium wave band and over a path of a hundred miles or so was constant during the day but that it varied during the night. This led him to believe that it was possible that two radio signals were being received.


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