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Italian Inventor
Sent and recieved the first raidio signal in 1895
Unknown for sure if he was first
Because of the fact that who ever claimed to be the first got the title no matter if they did or not. This is why it is unknnown who actually was the first -
In 1906 Lee dee Forest, created a vacum tube that amplified signales
This helped everyone who tried or started to amplify signals.
It is greatly believed that a canadian inventor actually came up with the idea. -
Titanic used radio broadcasting to trasmit signals
Everyone would have died if it hadent been for the radio everyone would have found out later that it had sunk, therefore causing everyone to freeze! -
The use of amplitude modulation, with which more than one station can simultaneously send signals was pioneered by Fessenden
some of the first are: 1920, 8kx, kdka.Frank conrad -
First radio stations
Frank Conrod
1920
8dka -
IN 1922 WEAF aired a 10 minute commercial for only $50, This was the start of how radiostations started to make money. It wasnt untill later that tv then took people away (Later time)
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Established in 1927
Organised licensing of transmittors
assigning radio station frequences
made call limits -
Middle of great depression
People were hurting for money
Radio stations provided an escape for the people to turn to.
Live concerts
Records
Jukeboxes
