Category Archives: Radio

Milestones in the History of Technology: Week of January 11, 2016

January 11, 1994 The Superhighway Summit is held at UCLA’s Royce Hall. It was the “first public conference bringing together all of the major industry, government and academic leaders in the field [and] also began the national dialogue about the … Continue reading

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The New York Times and CBS Born

Today in 1851, the first issue of the New- York Daily Times was published. Six years alter it changed its name to The New-York Times. Also today, in 1927, the “Columbia Phonographic Broadcasting System” went on the air  with a presentation … Continue reading

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Plan to Make Radio Household Utility

Today in 1915*, David Sarnoff, Chief Inspector for The Marconi Wireless Telegraph Company of America wrote to his superiors: “I have in mind a plan of development which will make radio a ‘household utility’ in the same sense as the piano or phonograph… … Continue reading

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First Broadcast by Ham Radio Operator

Today in 1909, Einar Dessau of Denmark used a shortwave transmitter to converse with a government radio post about six miles away in what is believed to have been the first broadcast by a ‘ham’ radio operator. Susan Douglas in Inventing American Broadcasting on … Continue reading

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Birth of Public Radio Broadcasting

Yesterday and today in 1910, opera was first heard on the radio in what is considered the first public radio broadcast. On January 12, Lee De Forest conducted an experimental broadcast of part of the live Metropolitan Opera performance of Tosca and, on January 13, Enrico … Continue reading

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First Broadcast by Ham Radio Operator

Today in 1909, Einar Dessau of Denmark used a shortwave transmitter to converse with a government radio post about six miles away in what is believed to have been the first broadcast by a ‘ham’ radio operator.

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Radar Invented

Today in 1935, Scottish physicist Robert Watson-Watt demonstrated in Daventry, England, that radio waves could be reflected by an aircraft. The experiment, prompted by fears of the development of death rays by Germany, launched a research program into what later will be … Continue reading

Posted in Innovation, Radar, Radio, This day in information | 2 Comments