O in Morse code
The Morse code for O is ---
Tap O yourself
Tap O on the key. Each letter turns green when its code is right and red when it is not. Pause for a moment after every letter; the pause between words is not checked.
- O---
0 of 1 letters right
How to remember O
- O is 3 marks long: 0 dots and 3 dashes.
- Swap every dot for a dash and every dash for a dot and you get S (...).
- It is in the learning group TMOKH, one of the groups learners memorize together: EISH, TMOKH, AUV, NDB, WFY, GLQ and CJZ.
- Letters that look like it: G, K, W. Each differs from O in one mark.
See all letters and numbers in the Morse code alphabet.