Morse letter
O in Morse Code
O in Morse code is “---”. Copy it, play the sound, or compare it with nearby letters in the International Morse Code alphabet.
LetterO
Morse Code
---Remember O
A memory cue and a real word.
Memory cueO is three long dashes with no dots.
Example wordOSCAR begins with O: --- ... -.-. .- .-.
Compare itM is the shorter two-dash version: --.
Quick reference
O as a Morse signal.
| Character | Morse Code | Pronunciation | NATO word | Type |
|---|---|---|---|---|
| O | --- | dah dah dah | Oscar | Letter |
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FAQ
Quick answers about O.
What is O in Morse code?
O in Morse code is “---”. It is the same pattern for uppercase O and lowercase o.
How do you pronounce O in Morse code?
O is pronounced dah dah dah in Morse rhythm.
Is lowercase o different in Morse code?
No. International Morse Code does not distinguish uppercase and lowercase letters, so O and o both use “---”.