APPLE was into orbit on 19 th June 1981 by European Space Agency (ESA) from
Answer: B
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In a stop-and-wait ARQ system, the transmitting terminal
Answer: D
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India's Polar Satellite Launch vehicle (PSLV) to be ready in 1991 is designed to launch 1000 kg spacecraft into __________ orbit.
Answer: D
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Presently, the worlds's largest and most advanced multi-purpose communication satellite is
Answer: D
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Geosynchronous satellites are always launched in the equatorial plane because it is the only plane which provides
Answer: C
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For satellite transmission, analog signals may be converted into digital form with the help of
Answer: C
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Shannon's Law relates
Answer: B
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India's first domestic geostationary satellite 1NSAT-IA was launched on 10th April 1982 from
Answer: B
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Assuming a minimum angle of elevation of 5°, a geosynchronous satellite remains in line-of-sight for __________ percentage of Earth's surface.
Answer: D
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In envelope detection of an AM waveform
Answer: B
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