QSB — What It Means in Ham Radio

QSB — Fading.

The other station's signal is rising and falling. Normal on HF — it is the ionosphere moving, not your radio failing.

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Related words

• QSX — Listening on a different frequency.
• QSL — Acknowledged. Understood.
• QTH — Location.
• QRT — Shutting down. Going off the air.
• QSP — Relay a message.
• QTR — The correct time.
• QSO — A conversation.
• QSY — Change frequency.