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marconi
he is known to be the first one to ever send out and recieve radio signals. this could maybe not be true but he got the credit. he didnt send out a voice or music it was more like a beep. -
audion tube created
created by lee dee forest. this allowed the signals to go farther by amplifying them. today we still used this but of course more advanced. -
first broadcast
fessenden plays his violin, sings a song andreads a bible verse or 2. aired in Brant Rock MA. also on christmas eve. -
first perament transatantic wireless service
marconi established the marconi radio. opperated in the other places in the world. first time in october 17 1907 -
wireless ship act
passed by US congress. required ships to travel 200 miles off the coast. holding over 500 people with wireless radio equipment. saved lives on the titanic not all but 1200 people. -
KDKA
radio lincesced in pittsburgh pennsylvania. created by the westinghouse electronic corportation.worlds first commercially linsenced radio. -
commercial
WEAF aired a 10 minute commercial for an aparment complex. costed 50 dollars. for the super bowl it costs millions just for 30 seconds once. -
number of broadcasts
uncle charlie. many personal radios came out. too many but everyone wanted one. later they had to use FRC. -
FRC
(federal radio commision) was made to control the number of radios. later changed the name to FCC. -
frequency Modulation
a 88-108 MH. edwin howard armstrong created FM. improves audio frequency. now played with music. -
elvis presley
elvis presley aka the king. born jan 8 1935. he had the hits of always on my mind andmany others. married prisilla. died in 1975 due to over dosing pills. -
transiter
they came up with the pocket transiter. -
first mp3 player
created to add songs to a device. first one made was this year
