Picket fencing — A fluttering, choppy signal.
Named for what a signal sounds like when a moving vehicle passes behind obstructions. A classic mobile-operation sound.
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Related words
- Break — I need to join this conversation.
- Double — Two people talking at once.
- Shack — Your radio room.
- Copy — Understand.
- Back to you — Your turn to talk.
- Full quieting — No background noise at all.
- Unkey — Stop transmitting.
- Final — Concluding transmission.