About Morse Code

What is Morse Code?

Morse code is a system of communication using dots (·) and dashes (–), originally developed by Samuel Morse in 1836. It was widely used in telecommunications and remains important in amateur radio and aviation.

Morse Code Basics

• Dot (·): A short signal
• Dash (–): A longer signal (3× duration of dot)
• Space: Separates letters
• Double space: Separates words

Common Letters & Numbers

• A: ·– (dit-dah)
• B: –··· (dah-dit-dit-dit)
• C: –·–· (dah-dit-dah-dit)
• D: –·· (dah-dit-dit)
• E: · (dit)
• S: ··· (dit-dit-dit)
• O: ––– (dah-dah-dah)
• 1: ·–––
• 2: ··–––
• 0: –––––

Real-World Use Cases

• Amateur radio (HAM radio) communication
• Aviation emergency signaling (SOS)
• Historical communication research
• Educational learning of communication systems
• Fun puzzles and cryptography games
• Accessible communication for hearing-impaired users