Home | Extra Class Exam Question Pool |

What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/2-wavelength apart and fed in phase?

• A. Omnidirectional
  
• B. A cardioid
  
• C. A Figure-8 broadside to the axis of the array
  
• D. A Figure-8 end-fire along the axis of the array