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G9D08:How does a “screwdriver” mobile antenna adjust its feed point impedance?

G9D08G9D

How does a “screwdriver” mobile antenna adjust its feed point impedance?

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G9D08 is By varying the base loading inductance.

Use this action or method: By varying the base loading inductance. It is the choice that directly completes the job described in the question.

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