RADIO

These days, many people think of "radio" as that thing attached to their clock or what they listen to in their cars. But radio transmission is a science. Learn more about this technology, from Ham Radio to Sirius and XM.
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How the Radio Spectrum Works

AM radio, FM radio, CB radio, short wave radio, VHF, UHF -- what's it all mean? These are all different chunks of the radio spectrum. Find out all about the thousands of different uses for radio waves.

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