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    Navigation Spreadsheets in 2018
    From: Peter Hakel
    Date: 2017 Oct 9, 12:49 -0700
    Comparisons with the 2018 Nautical Almanac Commercial Edition show that the spreadsheets remain sufficiently accurate for the year 2018 without the need for any changes or updates. A screenshot of mars.xls is attached for illustration.
    Website: http://www.navigation-spreadsheets.com/
    Blog: https://navigationspreadsheets.wordpress.com/
    Downloads: https://github.com/pmh099/navigation-spreadsheets
    Peter Hakel


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