MIL-PRF-89023
MIL-PRF-89023, PERFORMANCE SPECIFICATION: DIGITAL NAUTICAL CHART (19 DEC 1997)., This specification defines the content and format for the U.S. National Imagery and Mapping Agency (NIMA) Digital Nautical Chart (DNC) product. The DNC is a vector-based digital product that portrays selected maritime significant physical features in a format suitable for computerized marine navigation.
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