Did you know that some areas of the U.S. coastal chart you're using may only show land and bottom features accurate in position to +/- 1,600 feet, and you shouldn't be confident about the depth soundings either?
My expectations for the recently announced On The Water ChartGuides were high, but darn if checking out a whole 120 page review copy didn't blow me away.
NOAA’s quest to better understand the world’s seafloor continues, as the National Oceanic and Atmospheric Administration has committed two of its ships to collect and update chart data in the Arctic.
Cruising guide and PassageMaker 'Frugal Fav' authors, Mark & Diana Doyle, have published their new, two-volume “ChartGuide” series including over 3,000 guidance notes and annotations for the Intracoastal Waterway.
The nation's on nautical chartmaker, NOAA's Office of Coast Survey has released a new and expanded nautical covering Charleston Harbor Entrance and Approach.