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thomas Edison made a transmitter so that sailors can be guided through the thick fog
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the electron included a strikingly advanced suggestion the someday lightships might use microwave beams to overcome the for interfering with the shore communication
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An Italian inventor, He sent and received the first radio signal in 1895
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Marconi was given the telegraphy patent in England
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he was placed in history as the first person to transmit radio waves
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Lee De Forest, created the audio tube a vacuum tube that amplified signals
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the railroad telegrapher was made so they can communicate through stations and they can check on if there is a problem with the train or the workers
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wireless telegraph apparatus and report by wireless telegraphy were signals that were and in 1911
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the radio was also a hero and saved many of lives thanks to the waves it gives out police or the government were able to get there and save the people that were still alive after the tragic event
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radion stations were made by frank Conrad
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wear aired 9-10 minute commercials or toll broadcast
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established FRC
