Communication Engineering MCQ: The gain of a parabolic dish antenna of I m diameter and 80 % efficiency at 9.5GHz is ?

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The gain of a parabolic dish antenna of I m diameter and 80 % efficiency at 9.5GHz is ?

Correct Answer: 39 dB

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Communication Engineering MCQ: The gain of a parabolic dish antenna of I m diameter and 80 % efficiency at 9.5GHz is ? | Extra Education