In which of the following communication methods, the transmitted and receiving antennas can be oriented in any direction?
A
Ground Wave propagation
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B
Satellite communication
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C
Sky wave propagation
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D
Space wave propagation
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Solution
The correct option is C Satellite communication The direction of transmission and receiving are both fixed in ground wave propagation, sky wave propagation and space wave propagation. However in satellite communication, the antennas are oriented in the required direction depending upon the position of satellite, so that the beam is aligned with the satellite.