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Tesla
Transmission of radio frequency energy is frequently exhibited in Niko;a Tesla's experiments. He proposes that this could be used as a means of telecommunication. -
Marconi Invented Radio
Radio invented by Marconi -
Reginald Fessender
Sends a weak transmission over airwaves -
Transatlantic
Marconi conducts the first successful transatlantic radio communication -
Poulsen-Arc Radio
Poulsen-Arc radio is invented. -
Fessenden
Uses an Alexanderson alternator and rotary spark plug transmittor to make first radio audio broadcast -
First Radio Station
Frank Conrad mad first radio station -
Edwin Armstrong
invents FM (frequency modulation) radio. FM provides static-free broadcasting and carries the full frequency range of sound perceptible to the human ear. -
Radio Suffers
Television is such a novelty that big stars, programs, and advertisers defect from radio to TV. Radio begins to localize and concentrate on playing records. -
Transistor Radio
Regency introduces the pocket transistor radio, the TR-1, which was powered by a standard 22.5V battery. -
RDS Protocol
RDS allows small bits of data to be included in FM broadcasts, allowing stations to include artist and song info on digital radio displays. -
WXCY
Becomes the first radio station to broadcast on the internet. -
Real Audio
Progressive Networks releases RealAudio, which offers AM-radio quality sound in real time -
A New Sensation
Online internet radio is valued at $49 MILLION -
Streaming Popularity
Radio's revenue rose to above $500 MILLION. Nearly 13% of the American population had listened to the radio online.