Exercise: Satellite Communication

Questions for: Satellite Communication

The life time of a geosynchronous communication
A:
5
B:
10
C:
20
D:
50
Answer: B
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The maximum signal propagation time of a geosynchronous satellite transmission is about __________ millisecond.
A:
540
B:
270
C:
135
D:
1080
Answer: B
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For satellite transmission, analog signals may be converted into digital form with the help of
A:
modem
B:
transponder
C:
codec
D:
compandor
Answer: C
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Which statement out of the following statement is wrong?
A:
Attenuation of satellite signals by rain and fog varies almost inversely with the angle of elevation
B:
At 12/4, GHz link frequencies, signal power loss due to rain and fog is much greater than at 4/6 GHz frequencies
C:
The distance between satellite and Earth station varies slightly with angle of elevation
D:
At present 4/6 GHz geostationary satellites are being parked in geosynchronous, orbits at least 10° apart
Answer: D
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After the death of INSAT-IB, the mainstay of the entire Indian satellite network for some time to come would be
A:
INSTELSAT-V
B:
INSAT-ID
C:
INSAT-2
D:
ARABSAT
Answer: D
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