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    Re: Early Land Navigation.
    From: David Pike
    Date: 2015 Feb 11, 01:11 -0800

     

    Frank A

     

    Another thought, with your digi slope indicator, you wouldn’t need to tilt the AH to an exact figure fore and aft.  Just get the AH horizontal laterally and then measure the fore and aft tilt with the digi thing.  Add the measured mirror tilt to the angle measured by the sextant divided by two and you’ve got Hs.  Dave  

     

       
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