Question: What device uses radio waves bounced off of objects to identify their range, altitude, direction, and speed?
Answer: Radio detection and ranging; Radar illumination; Air search radar; Centimetric radar; Radar; Radar equation; Radars; Radar communication; Radio Detection and Ranging; RADAR; Radar distance measurement; Radar system; Radio detecting and ranging; Radar station; Microwave radar; Airport radar; Radar Homing and Warning