Morse Code

International Morse Code

Per ITU-R M.1677

2 Spacing and length of the signals
2.1 A dash is equal to three dots.
2.2 The space between the signals forming the same letter is equal to one dot.
2.3 The space between two letters is equal to three dots.
2.4 The space between two words is equal to seven dots.

International Morse Code

International Morse Code

Here is a blunt web page detailing how to quickly learn morse code…

Well worth a look.