What is the reason for using frequencies of the order of a few GHz in satellite communication?
A. Antenna sizes are small and ionosphere does not reflect frequencies
B. Helical antenna can be used at these frequencies
C. Frequencies can pass through ionosphere without attenuation
D. Easy availability of components at these frequencies
Answer: Option A
Related Questions on 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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