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A Theory
The discovery of "radio" came with the experiments in wireless telegraphy. James Clerk Maxwell showed that electromagnatic waves could travel through free space. Therefore wireless communication could be possible -
Hertzian Waves
Heinrich Rudolf Hertz made working experiments that proved the existence of Maxwell's theory of electromagnetism. With this came a wave of experimental scientists. Many componenets of the theory had to be expanded in order to crete a succesful radio. -
Succesful Wireless Telegraphy
Guglielmo Marconi was an Italian invetor that created the firat succesful radio. The invention was bsed on hertian waves. He also started a company for the development of radio equipmnt and services -
Human Voice
Human voice was transmited first by Brazilian priest Roberto Landell de Moura. His first experiment was conducted first in front of the General Concil of Great Britain. The transmission distance was approximately 5 miles -
Globalization of Radio
It started arouond 1902 when the first Spanish Wireless radio company was established. This contained patentents in many parts of Europe. But soon independent ones developed. -
Transatlantic Radio
Marconi established the first commercial transatlantic radio.
His finacial bankers wer Canegie and Thomas Edison.
First communication was between Ireland and Newfoundland -
First Broadcast entertainment
Many stations started broadcasting news, games, and plays.
8MK broadcasted the first news program. 2ADD broadcasted the first public entertainment wich included night concerst. -
Broadcast and Copyright
With the rise of free music playing on radio, many feared that records would come to an end. Once broadcasts started using music for their own profit a copyright payment was due. Later on the ASCAP came into view to manage this. -
Mobile Telephone Service
AT&T started the communication commersalization. It only had a few users because use was limited and expensive. And advence mobile system was then introduces by Bell Labs -
Pocket Radio
The first pocket radio powered by battery wa first introdused by Regency in this date. The newly developed Sony introduced other types of radios. Many others developed later with higher quality.
