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Astro-Navigation From Square One To Ocean-Master

At last! A book and e-book that teaches Astro-navigation by understanding! "Astro-navigation from Square One to Ocean-master" [caption id="attachment_47" align="aligncenter" width="531" caption="Astro-Navigation"][/caption] Published January 2011 by Authors Online. See at: Every year sailors start reading astronav texts and most founder on the rocks of confusion. Why is this? *astronav uses an entirely new language. *the subject requires an ability to think in 3D. *students imagine that hundreds of stars