 This variation gives direct and highly accurate measurements of the radial component of a target's velocity relative to the radar.Doppler radars are used in aviation, sounding satellites, Major League Baseball's StatCast system, meteorology, radar guns, radiology and healthcare (fall detection and risk assessment, nursing or clinic purpose), and bistatic radar (surface-to-air missiles).Partly because of its common use by television meteorologists in on-air weather reporting, the specific term ""Doppler Radar"" has erroneously become popularly synonymous with the type of radar used in meteorology.