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 ...

We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we live, learn and work.

Broadcast Tue 9 May 2017 at 7:30pm Tuesday 9 May 2017 at 7:30pm Tue 9 May 2017 at 7:30pm Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. John Riddett ...

Morse Code Day, observed on April 27, honors Samuel Morse, the inventor of Morse code, and celebrates this groundbreaking method of communication. Before modern technology, messages took weeks to ...