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electronics and communication engineering satellite communication
1. The INTELSAT-IV satellite launched in 1974 had two earth coverage antenna and two narrower-angle antennas subtending 4.5°. The signal from narrow-angle antenna was stronger than that from earth- coverage antenna by a factor of
(A): (17.34/4.5)2
(B): (17.34/4.5)4
(C): 17.34 x 4.5
(D): 17.34/4.5
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