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Learn how to remember Morse code characters using visual, syllabic, or word mnemonics. See examples of mnemonics for letters, numbers, punctuation, and other symbols.
Learn about the history and features of the original version of Morse Code developed by Samuel Morse and Alfred Vail for electric telegraph. Find out how it differs from International Morse and why it is nearly extinct.
Morse code is a system of encoding text characters as dots and dashes for telecommunication. Learn about its development by Samuel Morse and Alfred Vail, its international alphabet and variations, and its applications and history.
Learn how to use Morse code abbreviations to speed up Morse communications by foreshortening textual words and phrases. See the table of selected abbreviations and their meanings, and the difference between abbreviations and prosigns.
Learn how cryptography was used extensively during World War II and how the Allies decrypted the German Enigma and Lorenz ciphers. Explore the code and cipher systems, the codebreakers, and the intelligence sources of different nations involved in the war.
Learn about the history and usage of the NATO phonetic alphabet, which is also known as the ICAO spelling alphabet, and how it differs from other military alphabets. See tables of the alphabet words and their pronunciation for different services and nations.
Patricia Davies (née Owtram) is an English former codebreaker who served in the Women’s Royal Naval Service during World War II. She and her sister Jean Argles are known as "The Codebreaking Sisters" and wrote a book about their secret war work.
Learn about the standard military radiogram format for voice, Morse code, or TTY transmission. See the structure, history, and examples of the 16-line message format.