TeachMeFinance.com - explain Plan Position Indicator
Plan Position Indicator The term 'Plan Position Indicator' as it applies to the area of the weather can be defined as ' An acronym for Plan Position Indicator. A PPI displays radar data horizontally using a map projection. In PPI mode, the radar makes a 360-degree sweep with the antenna at a specific elevation angle. A PPI display is the familiar radar display shown on the television weather programs'.
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