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It was used from about 1910 in a few "superpower" longwave radiotelegraphy stations to transmit transoceanic message traffic by Morse code to similar stations all over the world. Although superseded in the early 1920s by the development of vacuum-tube transmitters , the Alexanderson alternator continued to be used until World War II .
The Sprach-Morse Generator, the machine mistaken for a young girl speaking in German. Swedish Rhapsody was a Polish numbers station, operated by the Ministry of Public Security (later Office of State Protection and Foreign Intelligence Agency) that used AM broadcasting and operated between the late 1950s and 1998. [2]
SOS is a Morse code distress signal ( ), used internationally, originally established for maritime use.In formal notation SOS is written with an overscore line (SOS), to indicate that the Morse code equivalents for the individual letters of "SOS" are transmitted as an unbroken sequence of three dots / three dashes / three dots, with no spaces between the letters. [1]
Morse code abbreviations are not the same as prosigns.Morse abbreviations are composed of (normal) textual alpha-numeric character symbols with normal Morse code inter-character spacing; the character symbols in abbreviations, unlike the delineated character groups representing Morse code prosigns, are not "run together" or concatenated in the way most prosigns are formed.
The Conet Project was rereleased in a five-disc 15th anniversary edition in April 2013. The rerelease comes with a new booklet that features detailed photographs of a numbers station voice sample controller, a Sprach-Morse-Generator der HVA des MfS (Hauptverwaltung Aufklärung des Ministeriums für Staatssicherheit der DDR) and one-time pad samples of the type used by the East German Stasi.
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(See also: Category:Morse code.) learn morse code (See: Morse code.) Just Learn Morse Code; Morse Code Translator; Morse Code: MIDI & Text Generator; Morse Telegraph Club; K6DBG streaming cw server ["CNN Breaking News in Morse (25/21/18/13 wpm)"] (Opening the web page, port 8080, downloads a file to a computer's media player, and play begins ...
Morse code can be transmitted in a number of ways: Originally as electrical pulses along a telegraph wire, but later extended to an audio tone, a radio signal with short and long tones, or high and low tones, or as a mechanical, audible, or visual signal (e.g. a flashing light) using devices like an Aldis lamp or a heliograph, a common ...