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  • $34.95 $39.95
    Data in this book are no longer valid for navigation. It is preserved in print because many training programs (including USCG and US Navy ) use examples from 1981 to teach celestial navigation. USCG license exams require data from this almanac. These exams also require Sight Reduction Tables, Pub...
  • $24.95 $29.95
    Data in this book are no longer valid for navigation. It is preserved in print because many training programs (including USCG and US Navy ) use examples from 1981 to teach celestial navigation. USCG license exams require data from this almanac. These exams also require Sight Reduction Tables, Pub...
  • $56.95 $59.95
    Safer Seas Are the Result of U.S. and U.K. Naval Collaboration The U.S. Naval Observatory and Her Majesty’s Nautical Almanac Office collaborate to compute, from fundamental astronomical reference data, the position, brightness, and other observable characteristics of celestial bodies, as well as ...