Plus sign in Morse code
The plus sign (+) is dot dash dot dash dot in Morse code, said “di-dah-di-dah-dit”. It sounds like the letters AR sent without gaps, and lasts 13 units, which is 780 ms at 20 WPM.
Hear the plus sign
At 15 WPM, + takes 1040 ms to send. Flash or vibrate it in the translator
Part of the ITU standard
The plus sign is defined in ITU-R M.1677-1, the International Morse code standard, so any trained operator will copy it. The same code is also AR, “end of message”, so read it from context.
The plus sign on a timing ruler
Characters that sound like the plus sign
These are the characters most often copied by mistake for the plus sign, and why.
Can you hear the difference?
Listen, then pick the one you heard.
The plus sign in use
- On the air it is the AR prosign, sent at the end of a message.
- It is one dash shorter than the period (.-.-.-).
At a glance
- Morse code
- .-.-.
- Sounds like
- di-dah-di-dah-dit
- Letters run together
- AR
- Length
- 13 units
- ITU standard
- Yes
- Also called
- cross
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.