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1. |
Bowditch Online
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Navigation course containing 38 chapters covering charts, radar, astronomy, and regulations. Glossary. Archives for the navigation mailing list.
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2. |
Celestial Navigation Data
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Astronomical information necessary to plot navigational lines of position from observations of the altitudes of celestial bodies from the U.S. Naval Observatory.
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Digital Navigation Publications
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Downloadable publications from the National Imagery and Mapping Agency including The American Practical Navigator and Radio Navigational Aids.
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Navigate!
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A free online course in basic coastal navigation.
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Navigation Information Connection
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Links and photos associated with the U.S. Inland Waterway System. Includes real time location and queue lists of towboats and barges operating on U.S. inland waterways.
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6. |
Sailing Issues: Navigation Course
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Contains nine chapters covering piloting, plotting, navigation aids, and tides. Related equations and tables.
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7. |
The Complete On-Board Celestial Navigator
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About a reference book for navigation at sea. Includes table of contents and purchasing information.
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