Dear all, in Munich we were sparking the "soft way": During a speech by DJ3YB about the development of radio I had the chance to demonstrate a spark transmitter simulator constructed already in the e
The sound of a spark transmitter was heard once again on an amateur band to mark the centennial of Guglielmo Marconi's first transatlantic radio success. It was 100 years ago, on December 12, 1901, t