plan position indicator

  1. a radarscope on which an object reflecting radar waves shows its bearing and distance from the radar detector by causing a spot of light to appear on a screen that represents a map of the area around the detector. Abbreviation: PPI

Origin of plan position indicator

First recorded in 1940–45

Words Nearby plan position indicator Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024