Morse code, the language of the telegraph, is a system of communication that's composed of combinations of short and long tones that represent the letters of the alphabet. The tones are sometimes ...

If you are a ham radio operator of a certain age, you probably remember ads for “The Instructograph,” a mechanical device for learning Morse code. [Our Own Devices] has an ancient specimen of the ...

Through the crackle and fuzz of long-distance radio, Karl Thompson easily translated the steady dit-dah, dit-dah, dit-dah of Morse Code from across the Atlantic. Thompson, operating amateur station ...