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    Re: Navigation in the late 1920s
    From: Lars Bergman
    Date: 2025 Dec 30, 07:43 -0800

    I spotted an editing error in the text, above Figure 2. The German Navy formula should be
    sin h = cos(φ-δ) · cos ψ

    The word sin in Swedish means either his, her or its, and the on-line translator ruined some of the formulas in the original paper. 
    Lars

       
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