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Plan position indicator
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A plan position indicator is a type of radar display that represents the radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As t
Image of a thunderstorm line (in dBZ) seen on a 0.7-degree elevation PPI (NOAA)
Image of a thunderstorm line (in dBZ) seen on a 0.7-degree elevation PPI (NOAA)
A photograph of an H2S PPI display taken during an attack on Cologne. The annotations were added later for post-attack analysis. The Rhine River can c
A photograph of an H2S PPI display taken during an attack on Cologne. The annotations were added later for post-attack analysis. The Rhine River can clearly be seen.
Comprehensive Display System
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The Comprehensive Display System was a command, control, and coordination system of the British Royal Navy that worked with the detection/search Type 984 radar. The system was installed on a total of
HMS Victorious was the first ship to use the CDS. The Type 984 radar that fed data to the CDS can be seen mounted in front of the funnel.
HMS Victorious was the first ship to use the CDS. The Type 984 radar that fed data to the CDS can be seen mounted in front of the funnel.