Radio History

Marconi sends first radio signal

Apr 4, 1895

Some people believe Marconi didn't send the first radio signal.He had good PR

Audion Tube

Apr 4, 1906

Lee De Forest "borrowed" the idea for the audion tube from Reginald Fessenden.

ARRL

Apr 4, 1914

American Radio Relay league was founded

Radio Industry

Apr 4, 1920

First Radio Station

WEAF

Apr 4, 1922

WEAF aired a two minute "commercial" or toll broadcast for an apartment complex charging $50.

FRC

Apr 4, 1927

The FRC organized the FRC transmitters, assinged radio station.

Golden Era

Apr 4, 1930

everyone listened to the radio

Hoover vs. Rossevelt

Apr 4, 1932

Radio is important in U.S. Hoover vs. Roosevelt presidential compaign.

Police Radio

Apr 4, 1940

Fm police radio communication

Beatles

Apr 7, 1963

"i want to hold your hand" was played on the radio

Mars

Apr 7, 1965

Radio signal from human-made object at mars, mariner 4

Jackson 5

Apr 7, 1968

"big boy" by the Jackson 5 was played

Thriller

Apr 7, 1982

michael jacksons song "thriller" was played on the radio

Satellite Radio

Apr 7, 1999

Sirius Satellite Radio

DRM

Apr 7, 2003

Digital radio mondiale