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Chart of the Morse code 26 letters and 10 numerals. This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur. Morse code is a method used in telecommunication to encode text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.
American Morse code. American Morse Code — also known as Railroad Morse—is the latter-day name for the original version of the Morse Code developed in the mid-1840s, by Samuel Morse and Alfred Vail for their electric telegraph. The "American" qualifier was added because, after most of the rest of the world adopted " International Morse Code ...
Morse code abbreviations are used to speed up Morse communications by foreshortening textual words and phrases. Morse abbreviations are short forms, representing normal textual words and phrases formed from some (fewer) characters taken from the word or phrase being abbreviated. Many are typical English abbreviations, or short acronyms for ...
The procedure signs below are compiled from the official specification for Morse Code, ITU-R M.1677, International Morse Code, while others are defined the International Radio Regulations for Mobile Maritime Service, including ITU-R M.1170, ITU-R M.1172, and the Maritime International Code of Signals, with a few details of their usage appearing ...
Visual mnemonic charts have been devised over the ages. Baden-Powell included one in the Girl Guides handbook in 1918. A contemporary Morse code chart. Here is a more up-to-date version, ca. 1988: Other visual mnemonic systems have been created for Morse code, mapping the elements of the Morse code characters onto pictures for easy memorization.
File:International Morse Code.svg. Size of this PNG preview of this SVG file: 414 × 530 pixels. Other resolutions: 187 × 240 pixels | 375 × 480 pixels | 600 × 768 pixels | 800 × 1,024 pixels | 1,600 × 2,048 pixels. Original file (SVG file, nominally 414 × 530 pixels, file size: 9 KB) This is a file from the Wikimedia Commons.
Russian Morse code. The Russian Morse code approximates the Morse code for the Latin alphabet. It was enacted by the Russian government in 1856. [1] [2] To memorize the codes, practitioners use mnemonics known as напевы (loosely translated "melodies" or "chants"). The "melody" corresponding to a character is a sung phrase: syllables ...
Contents. File:Morse Code Mnemonic chart from Girl Guides handbook 1916.jpg. Size of this preview: 800 × 573 pixels. Other resolutions: 320 × 229 pixels | 640 × 458 pixels | 932 × 667 pixels. Original file (932 × 667 pixels, file size: 115 KB, MIME type: image/jpeg)