ATN has various meanings in the Military category. Discover the full forms, definitions, and usage contexts of ATN in Military.
Any device external to a vessel or aircraft specifically intended to assist navigators in determining their position or safe course, or to warn them of dangers or obstructions to navigation. Visual, acoustical or radio device external to a vessel designed to assist in the determination of a safe course or of a vessels position, or to warn of dangers and obstructions.
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