Digital Mapping, Charting, and Geodesy Analysis Program (DMAP). Technical Review of Vector Data Update (VDU) Layer

Abstract : The Vector Data Update (VDU) is a standard digital Geospatial Information and Services (GI&S) product used by the National Imagery and Mapping Agency (NIMA) to transmit Digital Nautical Chart (DNC) data updates to Naval Operational Forces, including Navy ships at sea. This review, conducted by the Naval Digital Mapping, Charting, and Geodesy (MC&G) Analysis Program (DMAP) at Stennis Space Center, MS, examines the Draft Performance Specification for VDU Layer, dated 3 October 2002.