BlueChart g2 Vision HD - Baltic Sea East Coast - microSD/SD. Coverage: Coverage of the coasts of the Estonia Latvia Lithuania Russia and Poland from Kunda Est. to Rgen Ger. Includes Gotland Bornholm Gulf of Riga Kaliningrad Rus. and the Polish cities of Gdansk Gdynia and Szczecin. Premium Mapping and Graphics Capabilities. Detailed nautical charts in vector object oriented format derived from government charts and private sources to provide port plans depth contours navigational aids and tides and currents in a seamless chart presentation. Shaded depth contours and intertidal zones with spot soundings. Aerial photos of ports marinas bridges and navigational landmarks and realistic view from space high-resolution satellite imagery. Up to 1-foot HD contours provide a more accurate depiction of bottom structure for improved fishing charts and navigation in swamps canals marinas and port plans. Garmin Auto Guidance 3.0 technology is now capable of providing routin