Which one of the following is correct? In satellite communication links, generally
A. the uplink carrier frequencies are greater than downlink carrier frequencies
B. the uplink carrier frequencies are lesser than downlink carrier frequencies
C. both uplink and downlink carrier frequencies are same
D. it is not necessary to use carrier at all
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Satellite Communication
Collects very weak signals from a broadcast satellite
A. Helical antenna
B. Satellite dish
C. LNA
D. TWT
Is a loss of power of a satellite downlink signal due to earth’s atmosphere.
A. Atmospheric loss
B. Path loss
C. Radiation loss
D. RFI
As the height of a satellite orbit gets lower, the speed of the satellite ___________.
A. Increases
B. Decreases
C. Remains the same
D. None of the above
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