A) To transmit communication signals
B) To receive and redirect communication signals
C) To only receive communication signal
D) To provide information of national sources only
Correct Answer: B
Solution :
A communications satellite works like a relay station: signals transmitted by the ground stations are picked up by the satellite's receiver antennas the signals are filtered, their frequency changed and amplified, and then routed via the transmit antennas back down to Earth. The redirected signals are received by ground stations, also called earth stations and further processed to extract the base band signals.
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