Key up — What It Means in Ham Radio

Key up — Transmit.

Pressing the transmit button. From the old telegraph key.

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Related words

• Ticket — Your ham radio license.
• Over — I am done, your turn.
• Final — Concluding transmission.
• Full quieting — No background noise at all.
• Step on — Talk over somebody.
• Say again — Repeat that.
• Stand by — Wait. Pause.
• Ragchew — Shooting the breeze.