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This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2] 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. [3] [4] Morse code is named after Samuel Morse, one of the early ...
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.
Patricia Davies (née Owtram; born 19 June 1923) is an English former codebreaker who served as a special duties linguist in the Women’s Royal Naval Service during World War II. She and her younger sister Jean Argles are often referred to as "The Codebreaking Sisters". [1] As a teenage interceptor, Davies listened to radio transmissions in ...
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 ...
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Women began to work for a number of private telegraph companies in Britain in the 1850s, including the Electric Telegraph Company. The Telegraph School for Women was established in London in 1860. The Queen's Institute for the Training and Employment of Educated Women began classes in telegraphy in Dublin in 1862; its graduates were employed by ...
Beginning in the late 1840s, women were employed as landline telegraph operators, sending and receiving Morse code messages. Early radio communication, then called "wireless telegraphy", was developed in the late 1800s, and also initially communicated using Morse code. Women were employed as some of the earliest wireless operators, and in early ...