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Which Q signal means you are changing frequency?

QSY.

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  1. QSL
  2. QSY ✔
  3. QRZ

Why: QSY means changing frequency. QSL means I acknowledge receipt, and QRZ asks who is calling me.

Huh, didn't know that: QRM is the Q signal for interference from other stations.

The dad joke
Why did the ham QSY? The frequency was getting too crowded for his jokes.
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References

Answer: QSY. QSY means changing frequency. QSL means I acknowledge receipt, and QRZ asks who is calling me.

  1. HamStudy 2026-2030 Technician pool, section T2B hamstudy.org/browse/E2_2026/T2B
    QSY means change frequency or channel.
    Checked 2026-10-09.

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