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Electromagnetic Waves
In 1864, James Clerk Maxwell proved, both theoretically and mathematically, that electromagnetic waves could freely move through free space. -
Hertz and Marconi
Guglielmo Marconi builds the first complete, commercially successful wireless telegraphy based upon Hertzian waves, which were discovered in 1888. It was demonstrated in military and marine communications. -
Brazil
Priest Roberto Landell de Moura wirelessly transmitted his voice over the distance of about half of a mile. One year after this event, the Brazilian government granted him a patent for his machine. Four months after receiving the Brazilian patent, he set out to get a patent in the USA. -
Narrowcasting/Broadcasting
Charles David Harold was the man that coined the terms 'narrowcasting' and 'broadcasting'. Narrowcasting, as the name suggests, refers to signals intended for a specific audience whereas broadcasting is intended for general audiences. -
Prolonged Broadcasting
Harold Power and his radio company, American Radio and Research Company, are the first to broadcast continuously for a total of three hours. It also became the first radio company to broadcast daily along with varying events on its broadcast such as lectures or the weather. -
Nederlandsche Radio-Industrie
Dutch Company, Nederlandsche Radio-Industrie, made the first regular wireless broadcast for the purpose of entertainment from a workshop in The Hague. It was broadcast four nights a week from 1919 to 1924. -
AM Radio
The pioneering of AM radio by Fessenden and Lee de Forest changes how radio can be utilized.AM radio allowed several stations to send signals. -
Internet Radio: Listening
Today, people can listen to radio on a PC or any device similar to it. This is achieved through a program integrated into the station's website. -
Internet Broadcasting
The seventh of November was the day that the first traditional radio station to broadcast on the Internet. -
Internet Radio: Streaming
Streaming is used to distribute Internet radio. Data from audio is transmitted serially over the local network/internet, and then reformed to a receiver, played a second or two late. That delay is known as lag.
