This year, International Marconi Day (IMD) is on April 27. Italian inventor and electrical engineer Guglielmo Giovanni Maria Marconi was born on April 25, 1874, and is credited for inventing the radiotelegraph system, creating Marconi’s law, and sending the first wireless transmission over the open sea.
IMD was created to honor Marconi and is hosted annually by the Cornish Radio Amateur Club, GX…