Radiation Field
1 definitions

An electromagnetic wave whose frequency spectrum extends over a range from somewhat above the frequency of audible sound waves to somewhat below the frequency of heat and light waves. Values of 10 kilocycles and 30,000 megacycles have been given as the lower the upper limits of the range for radio waves, although values exist beyond these limits. Radio waves as defined here exclude compressional waves, light waves, heat waves, infrared waves, ultraviolet waves, X-ray, cathode rays, gamma rays, and ion beams. The radio waves are produced by oscillations of electric change in an antenna.


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