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    Re: LOP's without DR (so-called "Douwes's problem")
    From: Geoffrey Kolbe
    Date: 2015 Feb 23, 10:14 +0000


    .

    But WHAT IF if you do not know at all your DR position ???


     

     I am rather interested in the History of such discoveries and/or (re)discoveries.

     

    When, by whom and where ?


    ​James A Van Allen "An Analytic Solution of the Two Star Sight Problem of Celestial Navigation."​
     
    ​Journal of the Institute of Navigation, Vol 28, No 1 Spring 1981.​

    Geoffrey Kolbe
       
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