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Old 08-21-2017, 02:15 PM   #7
rwidman
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City: North Charleston, SC
Country: USA
Join Date: Sep 2010
Posts: 4,385
It has nothing to do with the magenta line and since the GPS is normally accurate to ten feet or so, it's the chart. And since the electronic charts are copies pf paper charts, it's the paper chart where the problem lies.

As boaters, we should be aware of where we are and rely on more than just our charts. Look up from the screen and follow the canal or markers and you'll be fine.
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