REFERENCE / VERSION 2026-08-18.1

Morse code
alphabet

Find a character, copy its code or hear its rhythm. This chart uses the same versioned dataset as the translator, playback and WAV generator.

HOW TO USE THE CHART

Read one character at a time

Every card pairs a printed character with one International Morse pattern. A dot is a short signal and a dash is a signal three times as long. Read the marks from left to right without inserting a gap inside the character.

When you build a word, leave a character gap after each complete card pattern. The written translator displays that boundary as one space. Put a slash between words. The visible separators make the code easy to copy, while playback converts them to the longer three-unit and seven-unit silences.

Use Copy Morse when you need an exact pattern. Use Play to hear the whole character as one rhythm. Open in translator when you want to place that character in a word, compare the reverse translation or save the result as text or sound.

PATTERN GUIDE

What changes across letters, numbers and symbols

Letters use short patterns

The 26 Latin letters range from one to four marks. E is one dot and T is one dash. Longer letters combine those two sounds in a fixed order. Case does not change the code: A and a both use .-.

Numbers always use five marks

Digits form a regular sequence. 1 starts with one dot followed by four dashes. Each next number replaces another leading dash with a dot until 5 becomes five dots. From 6 to 0, leading dashes increase while trailing dots decrease.

Punctuation has complete codes

A question mark, comma, period and the other listed marks are transmitted as their own characters. Keep a normal character gap before and after them. Copy the code from the card when accuracy matters because punctuation patterns are often longer than letter patterns.

Prosigns represent operating signals

Prosign cards are not ordinary spelling characters. The translator recognizes the listed signals when you type their angle-bracket form explicitly. This keeps a prosign distinct from the same letters sent separately and prevents ordinary words from being reinterpreted as an operating instruction.

FROM CHART TO MESSAGE

Build and verify a Morse code word

1. Find each printed character

Work from left to right and keep repeated letters. Copy the pattern on each matching card. For CODE, the four groups are -.-., ---, -.. and ..

2. Separate complete groups

Put one normal space after each character pattern. Add a slash only when the text starts a new word. A character pattern never contains a normal space inside its own dots and dashes.

3. Check the reverse translation

Open the result in the translator and confirm that it decodes to the original spelling. Then play the word once. This catches a transposed mark and also checks that the character boundaries sound distinct.

For a sentence, repeat the same process word by word. Finish one word, insert a slash, then begin the next. Keeping that sequence mechanical makes long output easier to review against the original text.

Letters A–Z

The 26 Latin letters used by International Morse.

A.-