A rectangular horn antenna has an aperture area of 3λ × 2λ. If the aperture efficiency of an antenna is 90%, then the di
Posted: Thu Jul 14, 2022 11:50 am
a) 19 dB
b) 17.1 dB
c) 13 dB
d) 21.1 dB
b) 17.1 dB
c) 13 dB
d) 21.1 dB
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