Amateur radio (also called ham radio) is the use of designated radio frequency spectra for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication. The term `amateur` is used to specify persons interested in radio technique solely with a personal aim and without di.....
Found on
http://en.wikipedia.org/wiki/Amateur_radio
noncommercial, two-way radio communications. Messages are sent either by voice or in International Morse Code.[4 related articles]
Found on
http://www.britannica.com/eb/a-z/a/56
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