Raster Navigational Charts (RNC's) are created by the
National Oceanic and Atmospheric Administration
The National Oceanic and Atmospheric Administration (abbreviated as NOAA ) is an United States scientific and regulatory agency within the United States Department of Commerce that forecasts weather, monitors oceanic and atmospheric conditi ...
(NOAA) of the United States Government. Each original chart is scanned at high resolution with color separate overlays. The
raster file also contains data that is Geo-referencing; enabling computer based navigation attached to a
GPS to locate and display the chart.
The charts are stored in BSB format. Image manipulation tools such as
GDAL can read the image information, but there also is georeferenced data in the navigational charts.
See also
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Electronic navigational chart
An electronic navigational chart or ENC is an official database created by a national hydrographic office for use with an Electronic Chart Display and Information System (ECDIS). An electronic chart must conform to standards stated in the Inte ...
External links
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NOAA RNC Charts Viewer
National Oceanic and Atmospheric Administration
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