What is one of the major reasons for the fading of radio waves which have been reflected from a surface?

What is one of the major reasons for the fading of radio  waves which have been reflected from a surface?
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1 Answer

Answer :

Shifting in the phase relationships of the wave.
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Related questions

What is the major cause of selective fading? A. Small changes in the beam heading at the receiving station. B. Large changes in the height of the ionosphere, as experience at the receiving station. C. Time differences between the receiving and transmitting stations. D. Phase differences between radio wave components of the same transmission, as experienced at the receiving station.

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Last Answer : D. Phase differences between radio wave components of the same transmission, as experienced at the receiving station.

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When a wide band of frequencies is transmitted simultaneously, each frequency will vary in the amount of fading. What is this variable fading called?

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What is a selective fading effect? A. A fading effect caused by small changes in beam heading at the receiving station. B. A fading effect caused by phase differences between radio wave components of the same transmission, as experienced at the receiving station. C. A fading effect caused by large changes in the height of the ionosphere, as experienced at the receiving station D. A fading effect caused by time differences between the receiving and transmitting stations.

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