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Approximately how long is the driven element of a Yagi antenna for 14.0 MHz?
10.21 metres (33.5 feet)
A driven element is typically close to a half-wavelength. L(m) ≈ 150 / f(MHz) = 150 / 14.0 ≈ 10.7 m. A slightly shorter length due to end effect/element interaction is common. L(ft) ≈ 468 / 14.0 MHz ≈ 33.4 ft.
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