Cm93 V2 Charts Download //top\\ Today

Each sub-folder covers a specific 40° x 40° geographic grid of the Earth, beginning calculation from the South Pole.

If you need help setting up on a specific OS, or tips on finding local chart updates to supplement these, Installing Charts - OpenCPN cm93 v2 charts download

: Unlike modern encrypted S57 charts, CM93 v2 uses a unique directory structure with up to 144 folders (named by geographic coordinates) and an identifying .EXD file (e.g., 20110803.EXD ). Each sub-folder covers a specific 40° x 40°

: C-MAP stopped updating the v2 format years ago in favor of encrypted v3 S-63 charts. | Feature | CM93 v2 (Pirated/Outdated) | NOAA

| Feature | CM93 v2 (Pirated/Outdated) | NOAA (Free) | o-charts (Paid) | OpenSeaMap (Free) | | :--- | :--- | :--- | :--- | :--- | | | Illegal (Pirated) | Legal (Official) | Legal (Licensed) | Legal (Open) | | Data Source | Jeppesen/C-MAP (compromised) | NOAA | Hydrographic Offices | Crowdsourced | | Update Status | ~10+ years out of date | Weekly (via NtM) | Regular | Continuous | | Cost | Free (illegally) | Free | Paid (varies) | Free | | Coverage | Global | USA only | Global (per license) | Global | | Safety | Dangerous (outdated data) | Safe (official) | Safe (official) | Variable | | Software Support | OpenCPN, SEAiq, etc. | OpenCPN, others | OpenCPN (+ plugins) | OpenCPN, others |

: CM93 v2 is an unencrypted vector format, making it one of the few global sets that works seamlessly with open-source platforms like OpenCPN and Locus Map .