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Raster Navigational Charts: NOAA RNC®
Raster navigational chart

NOAA raster navigational charts (NOAA RNC®) are full-color digital images of NOAA paper charts. RNCs are compatible with most marine navigation software, and are available for free.

NOAA RNC® are geo-referenced, digital images of NOAA navigational charts. Because the images are geo-referenced, you can display your vessel’s position on the chart image if you have a computer-based navigation system that is connected to a global positioning system (GPS).

Coast Survey checks each chart weekly, and applies all critical corrections. The updates are developed according to the standard set by the International Hydrographic Organization Special Publication S-61.
 
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