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Radio Waves in the Electromagnetic Spectrum
Wavelength and its relation to other wavelengths in the electromagnetic spectrum
Radio waves have the biggest and longest wavelengths in the Electromagnetic spectrum. These waves can range from as long as one football pitch to as small as a football. All radios today, however, use continuous sine waves to transmit information (audio, video and data). The reason why we use continuous sine waves today is because there are so many different people and devices that wish to use radio waves at the same time.
Interesting facts about radio waves
Radio astronomers use diesel cars as gasoline powered car?s spark plugs can cause interference to radio waves, just like a Hoover interferes with the television reception. If humans could see radio waves, there would literally be thousands of waves around you right now. These vary from radio broadcasts, TV transmissions and other things such as emergency service radios, the list is endless.
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