In a satellite communication, the uplink power level is generally high and power level of the received down link signal is low because:
1. High signal attenuation due to free-space loss
2. Limited available down link power
3. Finite satellite down link antenna gain, which is dictated by the required coverage area
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Satellite Communication
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