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Outline of radio

The following outline is provided as an overview of and topical guide to radio:

Radio – transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light.[1] Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space. Information is carried by systematically changing (modulating) some property of the radiated waves, such as amplitude, frequency, phase, or pulse width. When radio waves pass an electrical conductor, the oscillating fields induce an alternating current in the conductor. This can be detected and transformed into sound or other signals that carry information.

Essence of radio

Main article: Radio

Types of radio

Radio broadcasting segmentation

History of radio

Main article: History of radio

Radio broadcasting

Radio science

Radio science

Radio stations

Persons influential in the field of radio

See also

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References

  1. Dictionary of Electronics By Rudolf F. Graf (1974). Page 467.

External links

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