Charting the Course: Ohio River test bed explores future of navigation
A screen from a commercial Electronic Chart System shows both electronic Aids to Navigation and enhanced Marine Safety Information in the vicinity of the Olmsted Lock near Olmsted, Ill. The blue diamonds are e-ATONs that assist navigators in maneuvering through the lock. The yellow dots are e-MSI that provide mariners with critical pieces of information that enhance situational awareness. The selected e-MSI broadcast infobox displays the current water level at that location. Coast Guard graphic
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