QSX — What It Means in Ham Radio

QSX — Listening on a different frequency.

A DX station transmitting on one frequency while listening on another, to manage a pileup.

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Related words

• QRP — Low power operating.
• QRZ — Who is calling me?
• QRX — Stand by. Wait.
• QTH — Location.
• QSY — Change frequency.
• QRO — High power. The opposite of QRP.
• QRL — Is this frequency busy?
• QRS — Send slower.