practical guides to radio repair and maintenance

Nov 29, 2016 ... For several years, Professor Terry and his students had been transmitting the dots and dashes of Morse code. Only the geeks of the day who ... Jul 26, 2023 ... Let's take a closer look at radio advertising history and how audio ads have advanced over the years, from the very first radio commercial to ... Jun 3, 2017 ... Commercial broadcasting didn't start until 1920, but the University of Wisconsin was experimenting with wireless transmission and in December ... NIHF Inductee Guglielmo Marconi invented the radio by building equipment to transmit electrical signals through the air from one end of his house to the ... Mar 13, 2023 ... Back then, I was only into electronic – and especially Techno and industrial – music, which was impossible to find on the dial in Greece. When I ... Not surprisingly, sales soared, as did radio listenership. In 1933, the VE301 accounted for about half of the total radio sales in Germany. The following year, ... Inventor Trevor Baylis came up with a solution to this problem in 1996, when he introduced the world to the first ever hand-powered, wind-up radio. 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 ... 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 ... A 26-year old engineer named Grote Reber built the first dish antenna radio telescope in 1937. He used wooden rafters, galvanized sheet metal, and spare parts.