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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 containing the vowels а ...
A recording of The Gong numbers station, run by the National People's Army of the German Democratic Republic, from 1988. A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. [1]
Morse code. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. [3] [4] Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy .
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 ...
The procedure signs below are compiled from the official specification for Morse Code, ITU-R M.1677, International Morse Code, [1] while others are defined the International Radio Regulations for Mobile Maritime Service, including ITU-R M.1170, [8] ITU-R M.1172, [4] and the Maritime International Code of Signals, [5] with a few details of their ...
Slow-scan television ( SSTV) is a picture transmission method, used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color. A literal term for SSTV is narrowband television. Analog broadcast television requires at least 6 MHz wide channels, because it transmits 25 or 30 picture frames per ...
To station S2YZ from station S1ABC: Over to you only. S2YZ transmits Morse message: S1ABC DE S2YZ = TNX FB RPRT DR OM JOHN UR 559 = QTH BARCELONA = NM IS ANDY S1ABC DE S2YZ KN. To station S1ABC from station S2YZ. Thanks for the good report. (FB or Fine Business means "good") 'dear old man' John. You are [RST] 559.
Release of the movie Sneakers, in which security experts are blackmailed into stealing a universal decoder for encryption systems. One of the first ISPs, MindVox , opens to the public. Bulgarian virus writer Dark Avenger wrote 1260 , the first known use of polymorphic code , used to circumvent the type of pattern recognition used by antivirus ...