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.
Radio Telescope: Radio telescope is an astronomical instrument consisting of a radio receiver and an antenna system that is used to detect radio-frequency radiation emitted by extraterrestrial sources. Because radio wavelengths are much longer than those of visible light, radio telescopes must be very large in order to attain the resolution of optical telescopes.