OpenCPN Encrypted Raster Nautical Charts (oeRNC) are licensed from well known editors or directly from Hydrographic Offices, packaged and encrypted for OpenCPN. For details about the legal framework and usage of our charts refer to the EULA. If your navigation zone is available this can be a very good choice to get up-to-date quality charts at a reasonable cost.ĭifferent from S-63 or genuine S-57 charts (US), these are not “Official Charts” or “ENCs” in the context of “carriage requirements”, as they are not issued nor certified by official bodies. We receive S-57 data directly from Hydrographical Offices, encrypt them in the oeSENC format and deliver chart sets for their individual use in OpenCPN. "OpenCPN Encrypted System Electronical Nautical Charts" (oeSENC) are the most economical quality vector charts available. Licensed raster charts in the oeRNC format are enabling the access to the raster portfolio. We know very well that there are quite some users of OpenCPN who prefer raster over vector and want to give an answer to those requests. Nevertheless we shall not forget raster charts as alternative and sometimes the only reliable or available format for some interesting sailing regions. NOAA provides free vector charts for the US in plain S-57 format but in most countries they are licensed under not free encrypted formats derived from S-57 like S-63 or oeSENC. Today, Hydrographical Offices all over the world are producing their official vector charts in S-57 format. For details please refer to our web shop. O-charts was created as part of OpenCPN with the goal to provide the OpenCPN user community with up-to-date quality charts at a reasonable price point.
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