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Electronics and Communication Engineering - Satellite Communication

Exercise : Satellite Communication - Section 1
21.
The quality of a space-link is measured in terms of the __________ ratio.
C/N
S/N
G/T
EIRP
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The useful operational life of INSAT-IB (launched in 1983) is expected to end by
1992-93
1991-92
1989-90
1993-94
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
At present, the radio-frequency band mainly used by most satellites is
EHF
UHF
VHF
SHF
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Orbital disturbances of a geosynchronous satellite are caused by the
moon
sun
earth
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Which one of the following statement is correct?
Satellite spacing is not affected by the bandwidth of the transmitting earth station
Beamwidth is independent of antenna size and frequency band used
The width of a beam in space is inversely proportional to the width of the transmitting antenna
Use of high-frequency bands permits less number of satellites to share the orbit
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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