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Ultrahigh frequency waves

Ultrahigh frequency waves (UHF), radio waves with frequencies from 300 to 3,000 megahertz (1 megahertz equals 1 million cycles per second) and with short ranges, usually less than 50 mi (80 km). They are used primarily for television broadcasting, but are also used for air and naval navigation, for police radios, and for tracking spacecraft.

See also: Short waves.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Transcendentalism to United Church of Christ