0 0 votes In a broad side array of $20$ isotropic radiators, equally spaced at a distance of $\frac{\lambda}{2}$, the beam width between first nulls is $51.3$ degrees $11.46$ degrees $22.9$ degrees $102.6$ degrees Antennas gate1991-ec antennas analog-communications numerical-answers + – admin 309 views answer comment Share Follow Add Sync Questions Print 0 reply Please log in or register to add a comment.