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David Hughes' Demonstration
David Hughes demonstrates his discovery to the Royal Society, but is told it is merely induction. -
Discovery made by Edouard Branly
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). -
Voice Travels over Air Waves
Reginald Fessenden makes a weak transmission of voice over the airwaves. (Date Unknown). -
Wireless Ship Act
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. -
Entertainment Broadcasts in Argentina
Regular wireless broadcasts for entertainment began in Argentina, pioneered by the group around Enrique Telémaco Susini. -
Invention of SSB & FM
Single sideband (SSB) and frequency modulation (FM) were invented by amateur radio operators. By 1940, they were established commercial modes. -
Tranmissions Becoming Standard
Standard analog television transmissions started in North America and Europe. -
First Pocket Transistor Radio
Regency introduced a pocket transistor radio, the TR-1, powered by a "standard 22.5V Battery". -
Sony's First Transistor Radio
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. -
LORAN Became The Choice
LORAN became the premier radio navigation system. Soon, the U.S. Navy experimented with satellite navigation. -
Constellation of Satellites
The GPS constellation of satellites was launched. -
Computers Processing Radio Signals
Amateur radio experimenters began to use personal computers with audio cards to process radio signals. -
Land-based Digital Radio Service
a land-based digital radio subscription service was inaugurated in the United States. -
Community Radio
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.
