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David Hughes demonstrates his discovery to the Royal Society, but is told it is merely induction.
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French physicist and inventor Edouard Branly does a thorough investigation of metal filings in an evacuated tube and how they are sensitive to electric sparks at a distance. (Exact date unknown).
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Reginald Fessenden makes a weak transmission of voice over the airwaves. (Date Unknown).
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The Wireless Ship Act was passed by the United States Congress, requiring all ships of the United States traveling over two-hundred miles off the coast and carrying over fifty passengers to be equipped with wireless radio equipment with a range of one-hundred miles.
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Regular wireless broadcasts for entertainment began in Argentina, pioneered by the group around Enrique Telémaco Susini.
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Single sideband (SSB) and frequency modulation (FM) were invented by amateur radio operators. By 1940, they were established commercial modes.
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Standard analog television transmissions started in North America and Europe.
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Regency introduced a pocket transistor radio, the TR-1, powered by a "standard 22.5V Battery".
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Sony introduced their first transistorized radio, small enough to fit in a vest pocket, and able to be powered by a small battery. It was durable, because there were no tubes to burn out. Over the next twenty years, transistors displaced tubes almost completely except for very high power, or very high frequency, uses.
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LORAN became the premier radio navigation system. Soon, the U.S. Navy experimented with satellite navigation.
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The GPS constellation of satellites was launched.
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Amateur radio experimenters began to use personal computers with audio cards to process radio signals.
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a land-based digital radio subscription service was inaugurated in the United States.
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Citizens gathered around 300 community broadcasters, academics, representatives of NGOs, governmental and multilateral institutions, and donor organizations to discuss key issues facing the community broadcasting sector.
