Answers

2016-02-11T05:50:31+05:30
 skywave refers to the radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere.
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2016-02-11T09:22:37+05:30
Sky wave propagation is also called Ionospheric wave propagation. Electromagnetic waves directed upward at some angle from the earth's surface are called Skywaves. Skywave propagation is useful in the frequency range of 2 to 30 MHz and long distance communication.
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