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    Re: Equation for dip?
    From: Peter Fogg
    Date: 2006 Sep 26, 07:36 +1000

    Square root of the height of eye in feet x 0.97
    Square root of the height of eye in metres x 1.76
    
    Example: height of eye is 10 feet
    (Sqrt 10 x 0.97 = 3.16 x 0.97 = 3.07)
    
    Dip is 3.1 minutes of arc
    
    On 9/25/06, Carl Herzog wrote:
    >
    > Does anybody have handy a calculator equation for dip as an alternative
    > to the table?
    
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