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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?

E9C02E9C

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.

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