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T9A08:Why is a 19-inch-long vertical antenna often used on 2 meters?

T9A08T9A

Why is a 19-inch-long vertical antenna often used on 2 meters?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T9A08 is It is a resonant quarter-wave.

The reason is it is a resonant quarter-wave. Connect the cause in the question to this direct result instead of memorizing the answer letter.

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