Radio Amateur Quiz Canadian License

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Question B-006-010-004

Why is a 5/8-wavelength vertical antenna better than a 1/4-wavelength vertical antenna for VHF or UHF mobile operations?

Correct Answer

A 5/8-wavelength antenna has more gain

Explanation

A 5/8-wave vertical compresses the radiation pattern, lowering the angle of maximum radiation and providing more gain towards the horizon compared to a 1/4-wave ground plane.

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