Why short wave bands are used for long distance radio transmissions?
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Why are short waves used in long distance broadcasts? Short waves can be reflected from the ionosphere and hence, can travel a longer distances from transmitter to receiver. Wavelength of short waves is approximately less than 200 m.
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Long distance radio broadcasts use shortwave bands because only these bands can be refracted by the ionosphere. ... Thus, these signals are not reflected by the ionosphere. Hence, satellites are helpful in reflecting TV signals. Also, they help in long distance TV transmissions.
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