# Blip scan ratio

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**4-3-270**

The ratio of the number of paints from a target to the maximum possible number of paints for a given number of revolutions of the radar aerial.

Note: The maximum number of paints is usually equivalent to the number of revolutions of the aerial. This is generally taken as 10.

*Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)*