O in Morse Code

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Dash-Dash-Dash | Also known as Oscar in the NATO phonetic alphabet

Quick Answer: What is O in Morse code?

O in Morse code is --- (dash-dash-dash). O in Morse code is --- (three dashes). The center of SOS (... --- ...). Hear full words containing O on our free Morse code translator or browse the alphabet chart.

Memory Trick

"Oh-oh-oh" (3 long).

Pattern Analysis

  • 3 symbols
  • 0 dots, 3 dashes
  • Starts with dash

Words Starting with O

O = - - -

ON = - - - - .

OK = - - - - . -

Related Letters

  • SOS center letter
  • Learn next: M (--), S (...)

FAQ

About MorseCoder

Independent Morse tools · ITU-R M.1677-1 · No fabricated operator identity

These pages document a free browser translator and trainer. Timing follows International Morse (ITU-R M.1677-1). We do not claim an FCC callsign or Extra Class license for the site operator. Use the tools for practice; licensed instruction still matters for on-air work.

Last verified: September 2026 · Standard: ITU-R M.1677-1 · About · Editorial policy · Contact · Privacy