Soccer is one of the most popular sports among girls, Chaudhry said, and its popularity blossomed after U.S. women won the World Cup in 1999. Katy Hardt, 22, who lives in San Francisco, has played soccer since she was little.
TETRA (Terrestrial Trunked Radio) TETRA (Terrestrial Trunked Radio) is a set of standards developed by the European Telecommunications Standardisation Institute (ETSI) that describes a common mobile radio communications infrastructure throughout Europe.
Transmitter. In electronics and telecommunications a transmitter or radio transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna.