Radio Amateur Quiz Canadian License

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Question B-006-012-009

If you were to cut a half wave dipole for 3.75 MHz, what would be its approximate length?

Correct Answer

38 meters (125 ft)

Explanation

L(m) ≈ 142.5 / f(MHz) = 142.5 / 3.75 ≈ 38 m. L(ft) ≈ 468 / f(MHz) = 468 / 3.75 ≈ 125 ft.

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