We go over how to use this resource along with what other sources are needed for background to understand electronic navigational charts (ENC) namely our text Introduction to Electronic Chart Navigation at [ Ссылка ] and our new online course on use of ENC along with weather overlays and sailboat routing at [ Ссылка ]. Find the NOAA online viewer linked as item 6 on our chart sources index found at [ Ссылка ]

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