Prosign · CW procedural signal
BK prosign in Morse code
'Break' — invites the receiving station to transmit, often mid-sentence to hand over quickly.
Morse pattern
-...-.-
Sent as one continuous shape — no inter-letter gap between the component letters.
Meaning
BK — Break
Notation
Written BK (joined).
When this is used
Common in fast QSOs where the operators want to alternate rapidly. Heard between back-and-forth exchanges of a few sentences at a time.
Examples
| On the air | Plain English |
|---|---|
| UR RST 599 BK | Your signal is 599, go ahead. |
| FB QSO BK | Fine business contact, over to you. |
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