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Naming and boundary conventions on ENC eCharts

In a recent article (The Strange World of Electronic Chart Boundaries)  I pointed out the unusual nature of the shapes and names of electronic navigation charts (ENC), which are the digitized vector versions of the raster navigation charts (RNC). The latter are echarts made from exact graphic copies of the paper charts, and in that […]

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USCG ATON crew towing a buoy. (Photo courtesy of USCG)

After last week’s storms, USCG crews working to fix aids to navigation

Just how strong were last week’s storms that battered the Pacific Northwest? Well, USCG Aid to Navigation crews set out on Monday to replace at least 10 aids to navigation that were affected by the hight winds and seas. “These navigational aids are the streetlights that direct maritime traffic and allow the safe and efficient flow […]

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