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 ...

It might seem antiquated, but Morse code still has a number of advantages compared to other modes of communication, especially over radio waves. It’s low bandwidth compared to voice or even t… ...

In the modern world of smartphones and lightning fast internet, amateur (ham) radio operators still enjoy communicating over the radio by tapping telegraph keys just like the pioneers did in the ea… ...