A parabolic reflector used for reception with the direct broadcast system is 18 inches in diameter and operates at 12.4
Posted: Thu Jul 14, 2022 11:50 am
a) 18 m
b) 13 m
c) 16.4 m
d) 17.3 m
b) 13 m
c) 16.4 m
d) 17.3 m
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