A few minutes disturbance in space communications occurs twice a year during Sunblinding when __________ are in line.
Answer: D
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In communication satellites, the up-link normally operates at a higher frequency than the down-link because it
Answer: A
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Point out the false statement.
Launching of geostationary experimental communication satellite has helped India to gain experience in
Answer: C
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Low-orbit satellites are not used for communications because they
Answer: C
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The discussing sharing of a communication satellite by many geographically dispersed Earth station, DAMA means
Answer: A
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Which of the following factor does NOT contribute to the drift of a geostationary satellite from its stationary position in space?
Answer: D
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The Sun blots out the transmission of a geosynchronous satellite twice a year when satellite passes directly in front of it. This outage lasts for about
Answer: A
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The geostationary communication satellite APPLE is parked in the equatorial orbit at
Answer: A
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The different access methods which permit many satellite users to operate in parallel through a single transponder without interfering with each other as
Answer: D
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Geosynchronous communication satellites travel around the earth in circular orbits with a forward speed of about __________ km/h.
Answer: A
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