Radio Amateur Quiz Canadian License

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Question B-006-012-003

What is the low angle radiation pattern of an ideal half-wavelength dipole HF antenna in free space installed parallel to the Earth?

Correct Answer

It is a figure-eight, perpendicular to the antenna

Explanation

A horizontal dipole radiates maximally broadside (perpendicular to the wire) and has nulls off the ends. The pattern shape depends on height above ground.

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