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 ...

Learning Morse Code is no longer a requirement for HAMs in many jurisdictions, but it’s still a nice skill to have. [I_void(warranties)] wanted to learn, but couldn’t find a trainer that fit his style ...

Many think "SOS" stands for "save our souls" or "save our ship," but it actually doesn't stand for anything. SOS is a Morse Code distress signal. Morse Code is a system that uses dots, dashes and ...