Letters · ITU International Morse Code
Morse code for J is .--- — 4 signals (1 dot, 3 dashes). NATO: Juliet.
The letter J is an important character in Morse code. In international Morse code it is .---: short tap, then long press, then long press, then long press.
Whether you're learning for ham radio, aviation, survival, or personal interest — this page covers audio playback, visual display, timing guide, memory tip, and an interactive practice quiz.
Select the correct Morse code for J:
To transmit Letter J (.---), use this sequence:
| Speed | Dot | Dash | Letter gap | Word gap |
|---|---|---|---|---|
| 5 wpm | 240ms | 720ms | 720ms | 1680ms |
| 10 wpm | 120ms | 360ms | 360ms | 840ms |
| 20 wpm | 60ms | 180ms | 180ms | 420ms |
J is mostly a JUMP (three dashes) with a small dot start: · − − −
The Morse code for Letter J is .--- — 1 dot and 3 dashes. Transmitted as: short tap, then long press, then long press, then long press.
To write Letter J in Morse code use .---. A dot is a short signal and a dash is 3 times longer.
To tap Letter J: short tap, then long press, then long press, then long press. Follow ITU timing: dot=1 unit, dash=3 units, gap between signals=1 unit, gap between letters=3 units.
In international Morse code, .--- stands for the letter J (NATO: Juliet). This is part of the ITU standard alphabet.
Most learners memorize Letter J (.---) within minutes. Practice tip: J is mostly a JUMP (three dashes) with a small dot start: · − − −.
Characters with similar Morse patterns: