# data[].attributes.headline
Guglielmo Marconi first transformed a wireless system based on Hertzian waves in 1894.  He later developed it as a commercial system 

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Guglielmo Marconi first transformed a wireless system based on Hertzian waves in 1894.  He later developed it as a commercial system 

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Roberto Landell de Moura designed a transmission device in 1900 that could send human voice signals miles apart.  His ideas were awarded and patented in three different ways.

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Roberto Landell de Moura designed a transmission device in 1900 that could send human voice signals miles apart.  His ideas were awarded and patented in three different ways.

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1) The"The Wave Transmitter"
2) The Wireless Telephone
3) Wireless Telegraph

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From 1919 onwards Crystal Set Recievers were common in use.  Amplification modulation on these radios meant that several stations could send out signals.  This innovation tool was brought into practise by  Fessenden & Lee de Forest.  

# data[].attributes.subject
From 1919 onwards Crystal Set Recievers were common in use.  Amplification modulation on these radios meant that several stations could send out signals.  This innovation tool was brought into practise by  Fessenden & Lee de Forest.  

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In the 1950s the National Television System Committee implemented the first compatible colour television introduced in the US.  The main component Cathode ray tube was used to beam images to the screen.  These are termed as electrical waveforms or radar targets.   

# data[].attributes.subject
In the 1950s the National Television System Committee implemented the first compatible colour television introduced in the US.  The main component Cathode ray tube was used to beam images to the screen.  These are termed as electrical waveforms or radar targets.   