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THE EVOLUTION OF RADIO
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THE EVOLUTION OF RADIO
7. In 1963, the first radio communication via satellite
6. In 1957 the radio was small enough to fit in a pocket and was powered by a small battery, so it did not get hot.
The Telegraph
The history of radio describes the important steps in the evolution of radio communication and the means of communication called radio from the discovery of radio waves to the present.
2. The radio is one of the oldest means of communication that still continue in our days.
1. What is the radio? ... a means of communication
important in the history of radio
TIME LINE
Inventors
8. 1993, was founded the first station Internet radio.
5. 1933 Edwin Armstrong creates a radio system high quality. it was the great change modulation: spent of the frequency AM to FM.
In 1894 Nikola Tesla made a public demonstration of a radio transmission.
3. In 1906 in Massachusetts, the United States was the first issue of history.
In 1895, the Italian Guillermo Macorni built the first radio system, achieving in 1901 send signals to the other side of the Atlantic, but as he did with Tesla patents, the work is attributed to the latter.
9. from the year 2.004 radio has evolved and, despite the progress of technology, still current.
4. in 1922 arises commercial radio, in order initial issue advertising. However, finished programs narratives and stories.
10. Improvements as readers mp3 and USB make the portable radio an artifact very useful.
In 1922, George Frost developed a prototype compact radio receiver that could be manipulated using only two rotary buttons.
11. The radio stations currently allow us to be informed with the news and, they provide us with entertainment.
Without a doubt, radio is a means of communication that has managed to reinvent itself for the usefulness of human beings.
The invention of Frost was placed in a Ford Model T
National Radios