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    Re: Using a slide rule for celnav
    From: Gary LaPook
    Date: 2014 Jan 22, 03:05 -0800

    I posted it several years ago, I'll have to track it down.

    Gl

    Sent from Yahoo Mail on Android



    From: Frank Reed <FrankReed@HistoricalAtlas.com>;
    To: <garylapook@pacbell.net>;
    Subject: [NavList] Re: Using a slide rule for celnav
    Sent: Wed, Jan 22, 2014 4:13:07 AM


    Gary, you wrote:
    "A thorough study of thousands of sextant observations taken by professional navigators showed a standard deviation of about 1.5 minutes"

    That doesn't ring a bell. Which study was that?

    -FER
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