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Federal datasets are subject to the U.S. Federal Government Data Policy. Non-federal participants (e.g., universities, organizations, and tribal, state, and local governments) maintain their own data policies. Data policies influence the usefulness of the data. Learn more about how to search for data and use this catalog.
National Oceanic and Atmospheric Administration, Department of Commerce —
Automatic identification system (AIS) data are used to identify and track vessels for various purposes (primarily navigational safety). These data can be used to...