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
B. 17.34 x 4.5
C. (17.34/4.5)2
D. (17.34/4.5)4
Answer» D. (17.34/4.5)4


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