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What is the gain required by a weather radar antenna?

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What is the gain required by a weather radar antenna?

(a) 65 dB

(b) 50 dB

(c) 25 dB

(d) 5 dB
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Right option is (c) 25 dB

Easiest explanation: The signal strength of echoes from storms located at a distance from the aircraft is very low, which requires the transmitter to operate at very high power levels and that the antenna have a gain of more than 25 dB.
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