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The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of broadcasting.
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The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .
Download as PDF; Printable version; ... History of radio technology (4 C, 33 P) Radio timelines (1 C, 5 P) Pages in category "History of radio"
Before the discovery of electromagnetic waves and the development of radio communication, there were many wireless telegraph systems proposed and tested. [4] In April 1872 William Henry Ward received U.S. patent 126,356 for a wireless telegraphy system where he theorized that convection currents in the atmosphere could carry signals like a telegraph wire. [5]
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Broadcast radio in the United States underwent a period of rapid change through the decade of the 1920s. Technology advances, better regulation, rapid consumer adoption, and the creation of broadcast networks transformed radio from a consumer curiosity into the mass media powerhouse that defined the Golden Age of Radio.