At sign in Morse code
The at sign (@) is dot dash dash dot dash dot in Morse code, said “di-dah-dah-di-dah-dit”. It sounds like the letters AC sent without gaps, and lasts 17 units, which is 1020 ms at 20 WPM.
Hear the at sign
At 15 WPM, @ takes 1360 ms to send. Flash or vibrate it in the translator
Part of the ITU standard
The at sign is defined in ITU-R M.1677-1, the International Morse code standard, so any trained operator will copy it.
The at sign on a timing ruler
Characters that sound like the at sign
These are the characters most often copied by mistake for the at sign, and why.
Can you hear the difference?
Listen, then pick the one you heard.
The at sign in use
- The ITU added @ in 2004 so email addresses could be sent in Morse, the first new character in decades.
- It sounds like A and C run together, the first letters of “at” and “commercial”.
At a glance
- Morse code
- .--.-.
- Sounds like
- di-dah-dah-di-dah-dit
- Letters run together
- AC
- Length
- 17 units
- ITU standard
- Yes
- Also called
- commercial at
Sources: ITU-R M.1677-1, the International Morse code standard (International Telecommunication Union, 2009). Symbols outside the standard follow common practice in charts and software.