MapMedia Navionics Mega Wide Vector Chart: MWVNAU32XGMAP - Australia (Update) S1 - Southern Coasts of South America All depth soundings are in

All depth soundings are in feet

British Admiralty Nautical Chart 922: Sweden - East Coast

4 Specific Heat

their construction and use

ensure safety

MapMedia Navionics Mega Wide Vector Chart: MWVNAU32XGMAP - Australia (Update) S1 - Southern Coasts of South America All depth soundings are inHow MapMedia electronic charts are updated To meet the needs and safety of users, MapMedia updates its vector charts once or twice a year, according to the chart providers' updates, and once a year for raster charts. It is of course, extremely important for boaters to keep their charts up to date, in order to ensure the safety of all passengers onboard. Corrections, improvements and changes are made on a daily basis by the Hydrographic Services and by