See topic. I want to use them with a Garmin handheld device. I can do transformations from, e.g., OpenStreetMap myself (with some instruction).

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[–] 1 point 2 years ago

In the US, the Coast Guard puts out Local Notice to Mariners once a week, and will push one out if there is a new hazard to navigation reported.

If you're in anything larger than a small fishing boat, update your charts. Shit changes quick on the sea.

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