History of radio

Lee de Forest

Aug 26, 1873

He went down in the history book as the inventor of the Audion Tube. It was widely believed that he stole the idea from a candian inventor.

Guglielmo Marconi

Apr 25, 1874

He a inventor mainly known for his radio work. howvever he also did electrical engieering. Sadly he died on july 20th 1937 but he died a legened.

Frank Conarad

May 4, 1874

He created the first station. Its stil running today in pennslyvania. (102.0) Sadly he died on DEcember 11, 1941

First Signal

Sep 23, 1895

Guglielmo Marconi sent the first signal of radio. He was a an italian inventor. So people say he wasnt though because it didnt have good pr.

Audion Tube

Sep 23, 1906

this was basically a amplifier. It made the signals sound better. And Lee de Forest is the inventor

Uncle Charlie

Sep 23, 1920

this is the term for personal radio stations. at the time every what their own radio stations. all you had to have was the money and equipment.

First Radio Sation

Nov 2, 1920

KDKA was the first radio station. It was thenation's first commercial broadcast .They chose that date because it was election day.

Advertising

Sep 23, 1922

They started advertising on a station in new york (WEAF). The guy pay the station 50 dollars to advertise. And of couse other people start doing it so thats how that started.