A six-element linear dipole array has element spacing d = /2. (a) Select the appropriate current phasing, , to achieve maximum radiation along =

A six-element linear dipole array has element spacing d = λ/2.

(a) Select the appropriate current phasing, ξ, to achieve maximum radiation along ϕ = ±60◦.

(b) With the phase set as in part (a), evaluate the intensities (relative to the maximum) in the broadside and endfire directions.