Also known as: RA#, RA...
RA has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of RA in Governmental & Military.
An onboard radar for determining the altitude of an aircraft above an underlying surface.
Governmental & MilitaryFlag officer in RN Junior rank of admiral, being intermediate between Commodore and vice-admiral
Governmental & MilitaryThe difference between the highest and lowest values of a measurable attribute of the output of a process. An area between two limits within which a quantity is measured, stated in terms of a lower and upper limits. The categorization of an attribute into different segments. The set of values that a quantity or function may take.
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