how the radio frequency spectrum is managed, allocated, and protected for various uses worldwide

1994: The Invention of Bluetooth. The origins of Bluetooth can be traced back as far as 1994 when Dr. Jaap Haartsen was tasked with finding short-range radio ... Feb 7, 2025 ... Who really invented radio? ... On 14 May 1897, the Italian Guglielmo Marconi carried out the first radio transmission in history. Based on Hertz's ... Jun 3, 2017 ... Commercial broadcasting didn't start until 1920, but the University of Wisconsin was experimenting with wireless transmission and in December ... He used radio waves to transmit Morse code and the instrument he used became known as the radio. In 1906, Marconi shared the Nobel Prize for physics with ... In the mid-1890s, building on techniques physicists were using to study electromagnetic waves, Guglielmo Marconi developed the first apparatus for long-distance ... At the time, vacuum tubes were king - Bell Labs' 1947 transistor invention was not taken seriously by the major radio manufacturers...RCA, Sylvania and ... Introduced in January 1946, the 2-Way Wrist Radio was an invention of industrialist Diet Smith's son Brilliant. Like ... when he was abducted and held hostage by ... Nov 2, 2021 ... The invention of the two-way radio changed communications dramatically. When people could communicate back and forth in real time using one ... Aug 3, 2023 ... He used a spark gap attached to an induction coil and a separate spark gap on a receiving antenna. When waves created by the sparks of the coil ... When Radio Was. Radio Spirits' nationally syndicated radio program hosted by ... Radio's premier horror series was created by writer/ director Wyllis Cooper.