Letters · ITU International Morse Code
Morse code for U is ..- — 3 signals (2 dots, 1 dash). NATO: Uniform.
The letter U is an important character in Morse code. In international Morse code it is ..-: short tap, then short tap, 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 U:
To transmit Letter U (..-), 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 |
U has a curved bottom: · · −
The Morse code for Letter U is ..- — 2 dots and 1 dash. Transmitted as: short tap, then short tap, then long press.
To write Letter U in Morse code use ..-. A dot is a short signal and a dash is 3 times longer.
To tap Letter U: short tap, then short tap, 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 U (NATO: Uniform). This is part of the ITU standard alphabet.
Most learners memorize Letter U (..-) within minutes. Practice tip: U has a curved bottom: · · −.
Characters with similar Morse patterns: