Celestial Navigation (upon Oceans Endorsement) Volume VI has been updated as of 7/7/2012

I have updated the Celestial Navigation, (Upon Oceans Endorsement) textbook, Volume VI. Just minor change in the font and punctuation. Since we print on demand can keep the publications up-to-date and relevant.  I is my goal to have the best publications available for our mariners. Remember to join our member’s only group and download the free supplemental publication pub. 229, the Sight Reduction Tables Vol. 2 and the 1981 Nautical Almanac

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