O in Morse Code
The letter O in Morse code is written as ---, a pattern of 0 dots and 3 dashes, and spoken aloud as dah-dah-dah. Press play to hear it.
---
- Symbol: ---
- Pronunciation: dah-dah-dah
- NATO phonetic word: Oscar
- Made of: 0 dots, 3 dashes
How To Send O in Morse Code
To send O, key a dash, a dash, a dash. A dot is one unit of time and a dash lasts three units, with a one-unit gap between the parts of the letter. At a typical speed each unit is a fraction of a second, so the whole letter takes well under a second to send.
How To Remember O
O is three longs, dah-dah-dah. Combined with S it forms the famous SOS signal.