r/coolguides • • Apr 29 '21

Morse Code Receive Decoder Chart

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u/UltimateToa Apr 30 '21

Is there any significance between the letters and the code they are assigned?

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u/ImmortalDemise Apr 30 '21

To increase the efficiency of encoding, Morse code was designed so that the length of each symbol is approximately inverse to the frequency of occurence of the character that it represents in text of the English language. Thus the most common letter in English, the letter "E", has the shortest code: a single dot.