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    Re: Bris sextant land use with artificial horizon
    From: Brian Villmoare
    Date: 2023 Jan 7, 01:56 -0800

    Just saw this thread. If you have a sextant and a friend it is pretty easy, using an artificial horizon. Of course you will need to correct for refraction.

    I'm not sure why it would have to be 4" square. 

       
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