Little circuit of a Morse Code Oscillator is presented here. Excellent for learning and teaching Morse code, this code practice oscillator – ideal solution to practice sending the code and improve ...

A character code invented by Samuel Morse that is represented by the duration of a single tone. Written as dots, dashes and spaces, the first Morse code message was sent in 1844 over a newly ...

When the first radios and telegraph lines were put into service, essentially the only way to communicate was to use Morse code. The first transmitters had extremely inefficient designs by today’s ...

Why does the landscape remain lit 30 to 45 minutes after the sun has set? Harriett Drake, Fayetteville, Georgia What you’re seeing then is twilight. From wherever you’re standing, shortly after sunset ...

It may be the ultimate SOS--Morse Code is in distress. The language of dots and dashes has been the lingua franca of amateur radio, a vibrant community of technology buffs and hobbyists who have ...