MC 2000 Lecture Notes - Audion, Electromagnetic Spectrum, Common Carrier

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2 Jul 2014
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Remains to be one of the most used media. May 25th, 1844 between baltimore and washington d. c. morse sent first message what hath god wrought? . Government declined to buy the telegraph, which is why media is not run by the government. Studied hertz ideas and figured out the wireless telegraph. Lee de forest"s audion tube amplifies radio waves. This can make it work at low end of spectrum, which allows smaller receivers. Ss republic sailing from ny collides with another ship. Wireless operator, jack binns is at the controls in freezing water sending a distress signal. He declined a job on the titanic after this. He urged congress to make it mandatory to have a wireless operator at all times on the ships. Last ship to shore morse code message sent in 1999. California company sent out what hath god wrought? once a year in.

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