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In which of the following mode of propagation the waves are guided along the surface of the earth?

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In which of the following mode of propagation the waves are guided along the surface of the earth?

(a) Ground wave

(b) Sky wave

(c) LOS

(d) Space wave

The question was asked during an online exam.

My enquiry is from Radio Wave Propagation topic in section Radio Wave Propagation of Antennas

1 Answer

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Best answer
Right choice is (a) Ground wave

To explain I would say: In ground wave or surface wave propagation the waves are guided along the surface of the earth. In sky wave they are reflected at different layers in the ionosphere. Space wave uses either direct or indirect method of propagation from transmitter to receiver directly.

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