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post #8 of Old 02-11-2010
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If anything, the solar flare problem is more an argument in favor of ensuring mariners are adequately trained in coastal piloting, not CN. According to the article, GPS is used by ships entering harbors, in which an error of tens of meters can mean the difference between safe passage and grounding, and also in which CN is never used.

s/v Laelia - 1978 Pearson 365 ketch
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