A parabolic reflector used for reception with the direct broadcast sys – McqOptions

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1.	A parabolic reflector used for reception with the direct broadcast system is 18 inches in diameter and operates at 12.4 GHz. The far-field distance for this antenna is:
A.	18 m
B.	13 m
C.	16.4 m
D.	17.3 m
Answer» E.

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