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He invented the First radio and sent and recieved the Very first signal.not the exact date but real year.
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Lee De Forest invented this Vacuum Tube That amplifies Signals. It get little certain signals and Makes It Bigger.that not the real date,but the real Year.
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If it wasnt for The radio then nobody would Of never knew about the titanic Sinking. many people have Been saved that night of the sinking thanks to the radio.
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Not exact date but real Year.
KDKA became the first radio station to play music by this man named Frank Conrad. it is still around till This Day. -
WEAF Aired a 10 minute commercial for $50 For a apartment complex . They air it every Now and then and they get $50 every time they do play it.
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not exact date but good year.
FRC was established and it organized the licensing of transmitters.
it assisgned radio stations frequencies,call letters, and power limits.
