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Radio Transmission

Even today it seems like magic. You turn on your radio and, somehow, sound sent from a distant radio station fills the room. For almost 100 years radio has allowed us to send sounds over the air. ...

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http://www.pbs.org/wgbh/aso/tryit/radio/

How Digital Radio Works

Satellite radio is poised to change the way we listen to music. Find out how digital radio gets from Earth to satellite to you!. From HowStuffWorks.com.

Rating:

http://www.howstuffworks.com/satellite-radio.htm

Tuning a radio receiver

This site shows how a radio is tuned using a variable capacitor connected to a simple antenna transformer circuit. Includes a description of reactance equalization.

Rating:

http://micro.magnet.fsu.edu/electromag/java/radio/

How Internet Radio Works

A brief description of how Internet Radio works broadcasts music online including a description of how you can set up an internet radio. From HowStuffWorks.com.

Rating:

http://www.howstuffworks.com/internet-radio.htm

The Naked Scientists

A group of scientists who use radio, live lecture and the internet to promote science. The site contains podcasts of radio shows, interviews, archived Q&A and much more.

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http://www.thenakedscientists.com/