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radio was invinted
marconi a italion inventor invented the radio where it was sold to mainly naval people for a communication of emergency -
aduio tube was invinted
lee de forest "created" the audio tube which was a device that allowed radio waves to go longer distances -
how did it effect the titanic
if it wernt for the radio we would not have been able to have scavenge survivers and people would be just waiting at ports 3 weeks later without a ship -
kdka was created
kdka was created by frank conrad it was on am and was a normal local radio station -
the dawn of advertidsing
weaf was paid $50 to air a 10 minute advertisement -
uncle charlies
personal radios that ppl hed before the frc came to end them -
the creation of the frc
uncle charlies became way to popular and advertisers became very enraged so the frc was created limiting radio stations and assigning them to frequencys -
call letters
k = east of mississppi river
e = east of mississippi river -
radios to tv
it didnt work at first because things described on the radio didnt look the same on the tv -
radios demise
everyone started switching over to tv around late 30s and lost lots of money because advertisers liked the idea of showing there product to tv shows viewers -
radios comeback
radio to comeback and keep a stable audience they started fm with music so ppl could enjoy it every where
