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Introduction To Satellite Communication – 2 – 10

96. The commonly used multiple access technique that has very stringent timing and synchronising requirement for the earth station is the :

(a) CDMA
(b) TDMA
(c) FDMA
(d) both a and b

ANSWER

EXPLANATION

97. The satellite series developed by ISRO for measurement of earth observation application is the :

(a) INSAT-2 series
(b) INSAT-1 series
(c) IRS series
(d) SROSS-C series

ANSWER

EXPLANATION

98. For DBS TV transmission the downlink frequency is about :

(a) 14 GHz
(b) 10 GHz
(c) 6 GHz
(d) 12 GHz

ANSWER

EXPLANATION

99. VSAT stands for :

(a) Very small aperture terminal
(b) Very small antenna terminal
(c) Very small antenna transistor
(d) None of these

ANSWER

EXPLANATION

100. Number of satellites in global positioning system :

(a) 12
(b) 24
(c) 3
(d) 6

ANSWER

EXPLANATION

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