E9C02:What type of radiation pattern is created by two 1/4-wavelength vertical antennas spaced 1/4-wavelength apart and fed 90 degrees out of phase?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E9C02 is Cardioid.
The key fact is Cardioid. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.