Key up — Transmit.
Pressing the transmit button. From the old telegraph key.
Look this up in Pocket Elmer, along with 100 more
Related words
- Stand by — Wait. Pause.
- Clear — Goodbye, off the air.
- Picket fencing — A fluttering, choppy signal.
- Copy — Understand.
- Elmer — A ham radio mentor.
- Monitor — Listen.
- Relay — Pass a message along.
- Silent key / SK — A ham who has passed away.