Compendium of meteorology. Meteorology. Fig. 3.—Diagram of R scope of SCR 615B radar (modified), illustrating difference in appearance of aircraft and precipi- tation echo signals. The Plan Position Indicator or PPI
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Example PPI display. The plot is usually centered on the radar... | Download Scientific Diagram
An elevated PPI display at 4.14o elevation angle of a nearby RLAN... | Download Scientific Diagram
Constant altitude plan position indicator - Wikipedia
Plan Position Indicator (PPI) (RADAR Display) by Engineering Funda (RADAR Engineering, Microwave) - YouTube