End of contact (Silent Key). Signals the end of a communication session.
End of contact (Silent Key). Signals the end of a communication session.
The Morse code for SK is: ...-.-. Prosigns are sent as a single unbroken sequence, without the normal letter gaps.
SK is a procedural signal (prosign) used to manage the flow of Morse code communication. End of contact (Silent Key). Signals the end of a communication session.
International distress signal. Sent as a single unbroken sequence, not three separate letters.
General call to all stations. Used to initiate contact with any available operator.
"From" — identifies the sending station. Used as: CQ CQ DE [callsign].
End of transmission. Signals that the message is complete.
Break/pause separator between sections of a message. Equivalent to a new paragraph.
Invitation to a specific station only. "Go ahead, named station only."
Explore all prosigns and the full Morse alphabet → 아카데미
