Introduction To Satellite Communication – 1 – 5

21. A passive satellite :

(a) only reflects back signals
(b) Only generates signals
(c) Only absorbs signals
(d) Receivers, modulates, and then reflects signals

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

22. For satellite communication the frequency should ….. the critical frequency of ionosphere.

(a) Equal to
(b) Less than
(c) More than
(d) None of the above

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

23. The carrier-to-noise ratio for a satellite depends upon :

(a) Bandwidth
(b) Free-space path losses
(c) Effective isotropically radiated power
(d) All of the above

ANSWER
Answer : (d)

EXPLANATION
No answer description available for this question. Let us discuss.

24. Which of the following operations is to be carried out by INSAT ?

(a) Telecommunication
(b) Telecasting
(c) Metrology
(d) All of the above

ANSWER
Answer : (d)

EXPLANATION
No answer description available for this question. Let us discuss.

25. The INSAT operates in :

(a) A band
(b) S band
(c) C band
(d) None of the above

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

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