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The Collaborative International Dictionary
Morse code

Morse code \Morse" code"\ (Teleg.) a telegraphic code, in which dots, dashes, and spaces represent letters, numbers, and other elements of text. The original code was invented by Samuel B. Morse. The code now mostly used is the International Morse code, also referred to simply as the Morse code.

Note: The present International Morse Code is given in the table below. There are no spaces in the International Morse Code. Alphabet
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----- A .- H .... O
--- V ... B -... I .. P .
--. W . C _._. J .
--- Q
--.- X -.. D -.. K -.- R .-. Y -. E . L .-.. S ... Z
--.. F ..-. M -- T G
--. N -. U .. Numerals 1 .
---- 4 ....- 7
--... 2 ..
--- 5 ..... 8
---.. 3 ...-- 6 -.... 9
----. 0
--- Punctuation . (Period) .-.-.-, (Comma)
--.. ? (Question Mark) ..
--..; (Semicolon) -.-.-. : (Colon)
---... ' (apostrophe) .
----. - (hyphen) -....- / (forward slash) -..-. ( (left parenthesis) -.
--. ) (right parenthesis) -.
--.-
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----- The Alphabetic code which was originally in use in North America is given in the table below. In length, or duration, one dash is theoretically equal to three dots; the space between the elements of a letter is equal to one dot; the interval in spaced letters, as O . ., is equal to three dots. There are no spaces in any letter composed wholly or in part of dashes. Alphabet A .- H .... O . . V ... B - . . . I .. P ..... W . C .. . J -.-. Q ..-. X .-.. D -.. K -.- R . .. Y .. .. E . L
--- S ... Z ... . F .-. M -- T -- & . ... G
--. N -. U .. Numerals 1 .
--. 4 . . . .- 7
--.. 2 ..-.. 5
--- 8 - . . . . 3 . . . -. 6 . . . . . . 9 -.. 0
---- Period ..
--.. Comma .-. The Morse code was used chiefly with the electric telegraph, but is also employed in signalling with flags, lights, etc.

Douglas Harper's Etymology Dictionary
Morse code

1867, earlier Morse key (1858), in honor of Samuel F.B. Morse (1791-1872), U.S. inventor who produced a system of telegraphic communication 1836. He invented both the recording telegraph and the alphabet of dots and dashes.

Wikipedia
Morse code

Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment. The International Morse Code encodes the ISO basic Latin alphabet, some extra Latin letters, the Arabic numerals and a small set of punctuation and procedural signals ( prosigns) as standardized sequences of short and long signals called "dots" and "dashes", or "dits" and "dahs", as in amateur radio practice. Because many non-English natural languages use more than the 26 Roman letters, extensions to the Morse alphabet exist for those languages.

Each Morse code symbol represents either a text character (letter or numeral) or a prosign and is represented by a unique sequence of dots and dashes. The duration of a dash is three times the duration of a dot. Each dot or dash is followed by a short silence, equal to the dot duration. The letters of a word are separated by a space equal to three dots (one dash), and the words are separated by a space equal to seven dots. The dot duration is the basic unit of time measurement in code transmission. To increase the speed of the communication, the code was designed so that the length of each character in Morse varies approximately inversely to its frequency of occurrence in English. Thus the most common letter in English, the letter "E", has the shortest code, a single dot.

Morse code is used by some amateur radio operators, although knowledge of and proficiency with it is no longer required for licensing in most countries. Pilots and air traffic controllers usually need only a cursory understanding. Aeronautical navigational aids, such as VORs and NDBs, constantly identify in Morse code. Compared to voice, Morse code is less sensitive to poor signal conditions, yet still comprehensible to humans without a decoding device. Morse is therefore a useful alternative to synthesized speech for sending automated data to skilled listeners on voice channels. Many amateur radio repeaters, for example, identify with Morse, even though they are used for voice communications.

In an emergency, Morse code can be sent by improvised methods that can be easily "keyed" on and off, making it one of the simplest and most versatile methods of telecommunication. The most common distress signal is SOS or three dots, three dashes and three dots, internationally recognized by treaty.

Morse Code (horse)

Morse Code (foaled 1929) was a British Thoroughbred racehorse who won the 1938 Cheltenham Gold Cup. His Gold Cup victory was achieved at the expense of Golden Miller, who was attempting to win the race for the sixth time. He had previously won the Grand Annual Chase and went on to finish second when odds-on favourite for the Gold Cup in 1939.

Usage examples of "morse code".

They pursued us but we were monitoring all the traffic to and from the ship, which was all Morse code.

You will spend this morning with Franz, forming a deep attachment with the Morse code.

Something to do with a German rear-echelon signals unit whose wireless operator played Morse code to the Gestapo as if it were a Mozart sonata.

And after I'd made enough of a stink, someone apparently said, 'You're British, you're a priest, you're a medical doctor, you can handle a rifle, you know Morse code, and most importantly of all, you're a fucking pain in the ass--so off you go!

There was an atmosphere of intense concentration, the only sound being the tap of Morse code as an operator told an agent she was receiving him loud and clear.

Tommy noticed that his head seemed to be cocked at a slight angle, as if he were listening to the Morse code that was crackling from the HQ-150's speaker across the room.

If the radio signal is turned on and off (as it is, when you're transmitting Morse code) then you hear a series of clicks in the ear piece each time the radio turns on.

I won't be talking out loud, Ill be snapping the switch on and off to send Morse code.

Sometimes signals were broadcast in Morse code, usually the letters X, V, O, or S.

At first I thought the squeaking was from the corpse, and looked around for more rocks, but then I realized it was Morse code.

The FBI man would bring an assortment of needed supplies, including flashlights to be used to send the prearranged recognition signal to the pilot in Morse code.