Morse code
Operator proficiency
Currently, only one class of license, the Radiotelegraph Operator License, is issued. This is granted either when the tests are passed or as the Second and First are renewed and become this lifetime license. For new applicants, it requires passing a written examination on electronic theory and radiotelegraphy practices, as well as 16 WPM code-group and 20 WPM text tests. However, the code exams are currently waived for holders of Amateur Extra Class licenses who obtained their operating privileges under the old 20 WPM test requirement.
Timing
Below is an illustration of timing conventions. The phrase MORSE CODE, in Morse code format, would normally be written something like this, where ▄▄▄ represents dahs and ▄ represents dits:
Spoken representation
Morse code is often spoken or written with dah for dashes, dit for dots located at the end of a character, and di for dots located at the beginning or internally within the character. Thus, the following Morse code sequence:
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