One of the most monotonous kinds of skilled work that still survive in a world of automation is the on-the-spot translation of hand-keyed Morse code into written language.

In these situations, a simple decoder like [Rostislav]’s is completely sufficient. We wrote about a couple of Morse code algorithms back in 2014, the MorseDetector and the Magic Morse algorithm.

Morse code is used in telecommunication; it is a method of transmitting and receiving coded information. Each character (letter or numeral) is coded/represented by a unique sequence of dots and dashes ...