Development of Radio

Hertz Found Radio Waves

1879

Heinrich Hertz found the existence of radio waves.

Tesla Demonstration

1893

Nikola Tesla gave the first demonstration of wireless radio in St. Louis.

Cars With Radios

Period: 1915 to 1930

Cars started to have radios added to them

KDKA First Broadcast

1920

KDKA makes first radio broadcast for the US election.

First Sports Match

1921

First broadcasted sports event ever, a boxing match.

First Commercial

1922

First commercial airs on radio, NYC Real Estate.

FM Radio

1935

FM radio is first introduced.

Radio Production Slows

Period: 1950 to 1960

TV became more popular, so radio stations started to focus on local events.

RBDA Makes an announcement

1992

Radio Broadcast Data System is implemented by the US National Radio Systems Committee, a protocol for FM stations to announce small amounts of data alongside regular programming.