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Which of the following statement is correct? | |
A. | Satellite transponders contain a device that echos the radiation without change from one point on earth to another [Wrong Answer] |
B. | Satellite transponders contain a receiver and transmitter designed to relay microwave transmissions from one point on earth to another [Correct Answer] |
C. | Satellite transponders use lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations [Wrong Answer] |
D. | Satellite transponder contains devices that transform the message sent from one location on earth to a different code for transmission to another location [Wrong Answer] |