The width of a radio beam from a 1 m diameter parabolic antenna at 1 G – McqOptions

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1.	The width of a radio beam from a 1 m diameter parabolic antenna at 1 GHz is about
A.	100¬∞
B.	50¬∞
C.	5¬∞
D.	2¬∞
Answer» C. 5¬∞

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