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📖 Morse Code Reference
About Morse Code
- Dot (.): Short signal, 1 unit duration
- Dash (-): Long signal, 3 units duration
- Between letters: 3 units of silence
- Between words: 7 units of silence (shown as /)
- Standard speed: 20 WPM (words per minute)
Frequently Asked Questions
Morse code is a method of encoding text characters using sequences of dots (short
signals) and dashes (long signals). It was invented by Samuel Morse and Alfred Vail in the 1830s
for use with telegraph systems.
Each letter is represented by a unique combination of dots and dashes. A dot is a
short beep, a dash is a long beep (3x longer). Letters are separated by short pauses, words by
longer pauses. Use our reference chart above to learn the codes.
WPM measures the speed of Morse code transmission. The standard word "PARIS" is
used as a reference. At 20 WPM, you can send 20 "PARIS" words per minute. Beginners typically
start at 5-10 WPM.
Yes! Morse code is still used by amateur radio operators, in aviation and
maritime navigation, by search and rescue teams, and as an accessibility tool for people with
disabilities. The famous SOS (... --- ...) is a universal distress signal.