C

Letter C in Morse Code

-.-. Sounds like: dah-di-dah-dit Sing it: Taa-Ti-Taa-Ti

C follows a balanced dash‑dot‑dash‑dot pattern. Its alternating rhythm is distinctive — once you hear “dah‑di‑dah‑dit”, you won’t forget it.

Tool readyITU standard · 750 HzC = -.-.
Live signal visualizer & audio player
Flash indicator
Standby — press Play
Speed130 ms/unit
Timing breakdown (ITU standard)
dash 3u
gap 1u
dot 1u
gap 1u
dash 3u
gap 1u
dot 1u
letter 3u
Total: 14 units (3+1+1+1+3+1+1 symbol + 3 letter gap) at chosen speed
Practice tapper — short tap = dot  ·  hold = dash
Hold = dash  ·  Tap = dot

📌 How to Practice & Compare: C in Morse Code

Master the letter C with these rhythm techniques and avoid confusion with similar patterns.

🎯 Practice Tips for C (-.-.)

  • Rhythm mnemonic: “dah-di-dah-dit” — long, short, long, short. Think of it as a balanced seesaw.
  • Tap it out: Tap a long press (dash), then a short tap (dot), then long press, then short tap.
  • Listen and repeat: Use the Play button above, then imitate the pattern with the tapper.
  • Flash practice: Watch the lamp: long flash, short flash, long flash, short flash.
  • Word association: “Charlie” (NATO phonetic) starts with C, reinforcing the pattern.

🔄 Comparison: C vs K vs R vs F

CharacterMorse CodeSoundKey Difference
C-.-.dah-di-dah-ditAlternating dash‑dot‑dash‑dot (4 symbols).
K-.-dah-di-dahMissing the final dot (3 symbols only).
R.-.di-dah-ditStarts with a dot, then dash, then dot.
F..-.di-di-dah-ditTwo dots, then dash, then dot (different start).

💡 Pro tip: C is the only common letter with a perfect dash‑dot‑dash‑dot pattern. Focus on the alternating rhythm — it never repeats the same symbol twice.

⚠️ What to Avoid When Practicing Letter C

  • Dropping the last dot: C has four symbols. Omitting the final dot turns it into K (-.-). Always finish with a short “dit”.
  • Confusing order with R: R is dot‑dash‑dot (.-.), while C is dash‑dot‑dash‑dot. Listen for the starting dash.
  • Rushing the dash lengths: Each dash must be three times longer than a dot. Inconsistent dash length makes C sound like a different letter.
  • Adding extra gaps: The spaces between symbols are exactly one unit. Longer gaps break the rhythm.
  • Mixing with prosigns: C is a standalone letter. Don’t insert extra pauses inside the pattern.
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📖
Words Starting with C — Click any card to hear
❓
Frequently Asked Questions — Letter C

The letter C is -.-. — a dash, dot, dash, dot. Mnemonic: dah-di-dah-dit.

Pronounce it dah-di-dah-dit. Long, short, long, short. Use the Play button to hear it.

Morse code was designed for efficiency. The alternating pattern of C makes it acoustically distinct from B (-...) and D (-..).

Dash (3) + gap (1) + dot (1) + gap (1) + dash (3) + gap (1) + dot (1) = 11 units for the symbol, plus a 3‑unit letter gap = 14 units total.

Long flash, short flash, long flash, short flash. Click “Flash Only” above to see it live.

C has four symbols (dash‑dot‑dash‑dot). K has three, R starts with a dot. Count the beeps and listen for the starting dash.

“Charlie” (NATO phonetic), “Cloud”, “Courage” — all start with C and reinforce the pattern.

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