History of Radio from 1895-1945 - Timeline charts the first transmission of electronic waves, the beginnings of radio and its growing popularity, to the role it played during the war years. 165.29.91.7/classes/humanities/amstud/97-98/radio/RADIHOME.HTM
How Do Radios Work ? - Offers a short, simple explanation of AM and FM radio. www.triviaplanet.com/did%20u%20wonder/scienceandtechnology/how%20radios%20work.html
How Stuff Works: How Radio Works - Explains radio operation basics, transmitters, receivers and antennas. www.howstuffworks.com/radio.htm
Through the Wires: Radio Invention - Tells about the origination of the radio, AM and FM waves, and ham radio. library.thinkquest.org/27887/gather/history/radio.shtml?tqskip=1