analyzing trends and changes in radio audience demographics and listening habits

In 1893 the inventor Nikolai Tesla demonstrated a wireless radio in St. Louis, Missouri. Despite this demonstration, it was Guglielmo Marconi who is often ... The four chief players in American radio's early years, Marconi, Canadian-born Aubrey Fessenden, Lee deForest, and John Stone Stone [sic] were all inventor/ ... In July 1986 Marconi made the first demonstration of his invention, the radio transmitter and receiver, for the British government. In December 1901, Marconi ... An archetypical case is the invention of radio. To American—and Italian ... year he participated in the invention of a secure transmission system. Invented by Al Gross in 1945, the CB radio originally served as a method ... radio in the U.S. after 60 years. Cobra has also played a significant role ... Dec 17, 2022 ... Radio Reaches a Mass Audience. Italian inventor Guglielmo Marconi received a U.S. patent for radio technology in 1904, three years after he ... 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 ... Car companies introduced FM car radios in 1963. In 1964, the FCC ordered that FM stations stop simulcasting and create original programming for FM broadcasting. Work began in earnest in the spring of 1954, and this first Regency transistor radio was in stores for the Christmas season later that year. The Regency ... Nikola Tesla—was a Serbian-. American inventor who discovered the basis for most alternating-current machinery. In 1884, a year after coming to the United ...