What Is J in Morse Code?
The Morse code for J is .---, a sequence of 1 dot and 3 dashes. In international Morse code (the ITU standard), each letter has a unique combination of dots (·) and dashes (−). J is one dot followed by three dashes — opposite of B.
When you hear or read “morse code j”, “morse code for j”, “j morse code”, or “letter j in morse code”, the answer is always the same 4-signal pattern: .---.
NATO Phonetic Word for J
In the NATO phonetic alphabet, the letter J is spoken as Juliett. This pairing — Morse code .--- with the spoken word Juliett — is used by aviation, military, and amateur radio operators worldwide for unmistakable communication.
Practice: What Is the Morse Code for J?
Select the correct Morse code for J:
How to Tap Letter J in Morse Code
To transmit Letter J (.---), use this sequence:
ITU Timing Rules
- Dot (·) = 1 unit
- Dash (−) = 3 units (3× longer)
- Signal gap = 1 unit
- Letter gap = 3 units
- Word gap = 7 units
Timing Reference Table
| Speed | Dot | Dash | Letter gap | Word gap |
|---|---|---|---|---|
| 5 wpm | 240ms | 720ms | 720ms | 1680ms |
| 10 wpm | 120ms | 360ms | 360ms | 840ms |
| 17 wpm (this page) | 70ms | 210ms | 210ms | 490ms |
| 20 wpm | 60ms | 180ms | 180ms | 420ms |
How to Remember Letter J in Morse Code
J for "Just-a-BOUT-NOW" — di-DAH-DAH-DAH.
NATO phonetic word: Juliett — pair the spoken word with the rhythm to remember faster.
Frequently Asked Questions — Letter J in Morse Code
J in Morse code is .---. The letter J uses 1 dot and 3 dashes, the standard ITU pattern.
The Morse code for J is .---. Tap the 4 signals in sequence with a one-unit gap between each.
To send letter J: short press, then long press, then long press, then long press. The NATO phonetic name for J is Juliett.
.--- means the letter J in international Morse code (the ITU standard used worldwide for amateur radio and communication).
The NATO phonetic alphabet word for J is Juliett. It pairs with the Morse code .--- for clear voice and signal communication.
Related Morse Code Letters
Other letters often learned alongside J: