... --- ...
3
Characters
2 seconds
Duration
Usage
SOS is most famous Morse code signal. It was chosen because its code (··· --- ···) is easy to recognize and remember. It's sent continuously without gaps between letters in emergency situations.
Examples
- Maritime emergencies: Ships in distress
- Aviation emergencies: Aircraft in trouble
- Any life-threatening situation requiring immediate assistance
- The signal should be repeated continuously until help arrives