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    Re: Zenith Fixes
    From: Tony Oz
    Date: 2019 Mar 23, 10:33 -0700

    Dear David,

    I did two attempts to solve the problem, both on paper.

    At first I took a plain A4 and lined it up. Wanting a more clear (and precise) solution I used an universal plotting sheet for the second approach. I only "cheated" to calculate the travel between the sights and the travel from the fix to the point at 12:00 - I used a 12cm slide rule for those.

    Now I wonder how actually difficult is it to measure those small ZDs on a yacht? Will I need a bubble sextant?

    Regards,
    Tony

    60°N 30°E

       
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