Media, Information and Technoculture 2000F/G Lecture Notes - Lecture 6: Reginald Fessenden, Heinrich Hertz, Dxing
Document Summary
Radio waves (instead of a physical wire) Heinrich hertz (1888) lab experiments: to create a telegraph without wires. Radio advantage: can go where the telegraph can"t. Telegraph can"t go across water, built a wire under the ocean from europe to north. December 1901: first wireless radio message across atlantic ocean (marconi: he then sets up business, sends messages trans-atlantic, cheaper than the telegraph companies who run wire under ocean, sells radio to shipping companies. Figures out how to do what marconi did, but with voice messages. 1900 1, 2, 3, 4, is it snowing where you are? newfoundland. 1906: did a broadcast on christmas eve. Early 1900"s: more available to regular people. Exploratory listening: listen in on different frequencies. 1920: more amateur operators than military or regulated ones. These issues ^ lead to the creation of the radio act of 1912 (us) Required amateur users to have a license to operate a radio set.