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Abbreviations
Updated Monday 29 September 2014| ACMA | Atlantic Cable Maintenance Agreement |
| ARPA | Automatic Radar Plotting Aid |
| BGS | British Geological Survey |
| CCITT | The International Telegraph and Telephone Consultative Committee |
| CIGRE | Conference International Grande Reseaux Electriques |
| DGPS | Differential Global Positioning System |
| DMA | Defense Mapping Agency (USA) |
| EC | Electronic Chart |
| ECDB | Electronic Chart Data Base |
| ECDIE | Electronic Chart Display Equipment |
| ECDIS | Electronic Chart Display and Information Systems |
| ECN | Electronic Navigational Chart |
| ED50 | European Datum 1950 (North Sea Charting Datum) |
| FAO | United Nations Food and Agriculture Committee |
| GHDB | Governmental Hydrographic Data Base |
| GIS | Geographical Information System |
| GPS | Global Positioning System |
| HO | Hydrographic Office |
| IALA | International Association of Lighthouse Authorities |
| ICES | International Council for the Exploration of the Sea |
| ICPC | International Cable Protection Committee |
| IEEE | The Institute of Electrical and Electronics Engineers |
| IFREMER | Institut Francais de recherche pour l'exploitation de la mer |
| IHB | International Hydrographic Bureau |
| IHO | International Hydrographic Organisation |
| IMO | International Maritime Organization |
| INMARSAT | International Maritime Satellite Organisation |
| IOC | Intergovernmental Oceanographic Commission (UNESCO Subsidiary) |
| IOMAC | Indian Ocean Maritime Affairs Cooperation |
| IOS | Institute of Oceanographic Sciences |
| MIAS | Marine Information and Advisory Service |
| MMS | U.S. Minerals Management Service |
| MTS | Marine Technology Society |
| NAD | North American Datum |
| NERC | Natural Environment Research Council |
| NOAA | National Oceanographic and Atmosphere Administration |
| NOS | National Ocean Survey |
| NSCC | North Sea Communications Conference |
| NSCMA | North Sea Cable Maintenance Agreement |
| NSHC | North Sea Hydrographic Commission |
| OMM | Oceanographic Museum of Monaco |
| OSGB | Ordnance Survey of Great Britain |
| PIOCMA | MAC Pacific and Indian Ocean Cable Maintenance Mutual Assistance Committee |
| PTC | Pacific Telecommunications Council |
| ROV | Remotely Operated Vehicle |
| RTCM | Radio Technical Committee for Maritime Service |
| SCARAB | Submersible Craft Assisting Repair and Burial |
| SEAIOCMA | South East Asia and Indian Ocean Cable Maintenance Agreement |
| SFIA | Sea Fish Industry Authority (UK) |
| USCG | U.S. Coast Guard |
| WGS72 | World Geodetic System 1972 (Datum for Transit System) |
| WGS84 | World Geodetic System 1984 (Datum for GPS and DGPS) |
| WHOI | Woods Hole Oceanographic Institution |