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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. Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy.
The Russian Morse code approximates the Morse code for the Latin alphabet. It was enacted by the Russian government in 1856. To memorize the codes, practitioners use mnemonics known as напевы (loosely translated "melodies" or "chants").
References. Prosigns for Morse code. Diagram of a telegraph key used to send messages in Morse code. Procedural signs or prosigns are shorthand signals used in Morse code telegraphy, for the purpose of simplifying and standardizing procedural protocols for landline and radio communication.
Morse code mnemonics are systems to represent the sound of Morse characters in a way intended to be easy to remember. Since every one of these mnemonics requires a two-step mental translation between sound and character, none of these systems are useful for using manual Morse at practical speeds.
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.
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.
Wabun code (和文モールス符号, wabun mōrusu fugō, Japanese text in Morse code) is a form of Morse code used to send Japanese language in kana characters. Unlike International Morse Code, which represents letters of the Latin script, in Wabun each symbol represents a Japanese kana.
Morse code for non-Latin alphabets, such as Cyrillic or Arabic script, is achieved by constructing a character encoding for the alphabet in question using the same, or nearly the same code points as used in the Latin alphabet.
The Greek Morse code alphabet is very "similar" to the Latin alphabet. The "similarity" is based first on optical resemblance of each letter, a.k.a glyph, and then secondly on sound. Example, A both in Greek and English is the same glyph and sound (like a in word apple).
The International Code of Signals (INTERCO) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters. Signals can be sent by flaghoist , signal lamp ("blinker"), flag semaphore , radiotelegraphy, and radiotelephony.