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He was a Italian inventor
He sent and received the first radio signal. -
In 1906 Lee De Forest created the Audion tube which was a vacuum tube that amplified signals.
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In 1913 the cascade tuning radio receiver and heterodyne receiver was introduced.
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In 1919 the shortwave radio was developed, and the RCA was founded.
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In 1928 a radio station in New York city, WRNY begin to broadcast television shows.
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in 1935 fm radio was born, but only in mono.
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In 1962 the United States radio stations started broadcasting in stereophonic sound.
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In 1984 Watts was forced to grow because the FCC would not protect stations under 100 watts anymore.
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In 1986: benefit bash footage was created
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In 1987 WJJX was shut down
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In 1988 the WJJX was put back on the radio also RealAudio sports broadcasts, Streaming audio, and productions and concerts had started.
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1992: In Paris an experimental digital FM transmitter begins operation.
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1993: In the US, FM radio stations begin to use the RDS already in place in Europe.
