In a broadside array of 20 isotropic radiators equally spaced at a distance of /2. The beamwidth between first nulls is

In a broadside array of 20 isotropic radiators equally spaced at a dis

1.	In a broadside array of 20 isotropic radiators equally spaced at a distance of /2. The beamwidth between first nulls is
A.	51.3 degrees
B.	11.46 degrees
C.	22.9 degrees
D.	102.6 degrees
Answer» C. 22.9 degrees

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In a broadside array of 20 isotropic radiators equally spaced at a distance of /2. The beamwidth between first nulls is

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