The world's first 3D Doppler golf radar, the Flightscope Kudu is a golf ball radar that can be used indoors and outside. Its patented phased array tracking technology enables pros to measure ball speed, carry, trajectory, spin, impact angle, shot grouping, club speed, club path, smash factor and attack angle. Callaway, TaylorMade and Ping have all partnered Flightscope for their custom-fitting in 2009.