−−
The letter M in Morse code is −−.
Send the signals of a letter close together, then pause before the next letter. A dot lasts one unit of time and a dash three, so M takes 7 units to send.
Meaning: Morse code for the letter M (letter)
How do you pronounce it?
dah-dah
What mistakes should you avoid?
Do not mix up M −− with I ··. They are mirror images, with the dots and dashes swapped.
Did you know?
- In 1966 the American prisoner of war Jeremiah Denton blinked T-O-R-T-U-R-E in Morse code with his eyes during a filmed interview.
- The first long-distance telegraph message in the United States, sent from Washington to Baltimore on 24 May 1844, read "What hath God wrought".
