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Even though represented as strings of letters, prosigns are rendered without the intercharacter commas or pauses that would occur between the letters shown, if the representation were (mistakenly) sent as a sequence of letters: In printed material describing their meaning and use, prosigns are shown either as a sequence of dots and dashes for the sound of a telegraph, or by an overlined ...
1) Morse signaling by hand-flags or arms; 2) Loud hailer (megaphone); 3) Morse signaling lamp; 4) Sound signals. L Lima [ˈli.mə] "You should stop your vessel instantly." Latitude (The first 2 digits denote degrees; the last 2 denote minutes.) M Mike [maɪk] "My vessel is stopped and making no way through the water." [b] N November [noʊˈvɛm ...
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Wireless telegraphy or radiotelegraphy, commonly called CW (continuous wave), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by the International Telecommunication Union as emission type A1A or A2A, is a radio communication method.
A telegraph code is one of the character encodings used to transmit information by telegraphy. Morse code is the best-known such code.Telegraphy usually refers to the electrical telegraph, but telegraph systems using the optical telegraph were in use before that.
A telegraph key, clacker, tapper or morse key is a specialized electrical switch used by a trained operator to transmit text messages in Morse code in a telegraphy system. [1] Keys are used in all forms of electrical telegraph systems, including landline (also called wire) telegraphy and radio (also called wireless) telegraphy .
The towers are covered in wooden shingles, and are constructed of 12 inches (30 cm) beams. The main steel cables are about 4 inches (10 cm) in diameter, and connected to the bridge decking by 204 steel girders. The cable ends are anchored by concrete and granite blocks with an estimated weight of 30 tons. [3] The decking surface is wooden planks.