⚓ Marine chart plotter in Go — bakes NOAA S-57 or S-101 ENCs into S-101-portrayed vector tiles and serves them offline from your laptop or a Pi on the boat.
golang charts noaa nautical nmea marine ais nautical-charts s57 ecdis nmea0183 chartplotter s100 pmtiles s52 s101
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Updated
Jul 28, 2026 - JavaScript