For a time, wireless broadcasts were limited to coded dots and dashes. But on December 24, 1906, Canadian-born physicist Reginald Fessenden changed that by sending the first long-distance transmission of human voice and music from his station at Brant Rock, Massachusetts.
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In 1894, the young Italian inventor · In 1897, Marconi established a radio station on the · On 12 December 1901, using a 500-foot (150 m) kite-supported antenna ...
Experiments by Heinrich Rudolf Hertz between 1880 and 1890 proved the existence of electromagnetic waves. His successful work took place after earlier ...
AM (amplitude modulation) Radio, in a form that we would recognize today, began in 1906, when Reginald A. Fessenden transmitted the first broadcast containing ...
The existence of radio waves was first proven by German physicist Heinrich Hertz on 11 November 1886. In the mid-1890s, building on techniques physicists were ...
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It is proven that the first wireless radio was invented in 1893 by Nikola Tesla. The first radio was assembled in St. Louis, Missouri. The credit of the first ...
The first cellular system using digital CDMA tech- nology was commercially launched by QUAL-. COMM. 1995. A Short History of Radio. Find out more about the ...
One of the world's first scheduled radio broadcast services (known as PCGG) began in Rotterdam, Netherlands, on November 6, 1919. Other early Dutch stations ...
The popularity of Conrad's broadcasts led to Westinghouse establishing a radio station, KDKA, on November 2, 1920. In 1921, KDKA began broadcasting prizefights ...