Stand by — Wait. Pause. Asking someone to hold for a moment. Look this up in Pocket Elmer, along with 100 more Related words Monitor — Listen. 73 — Best wishes, have a good one. Clear — Goodbye, off the air. Double — Two people talking at once. Ticket — Your ham radio license. Relay — Pass a message along. Key up — Transmit. Full quieting — No background noise at all.