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    Re: Time of meridian passage accuracy
    From: Antoine Cou�tte
    Date: 2009 Sep 26, 18:17 -0700

    Dear Jim,
    Thank you for your posting.
    Just for your information, I was taught the "Formula" in 1973 (with a number 
    of "caveats" about its use) and I am assuming that it had been taught long 
    before, not only in France but certainly in the UK and in many countries.
    Now, it is absolutely very possible that you did not have any prior knowledge 
    of it and that you "reinvented" it on your own because it is certainly not as 
    widely dissemnated as the Azimut-Intercept method. Congratulations then 
    because, as I recall, it does involve a bit of delicate differentiation. This 
    certainly would not be the first time somebody "invents" something already 
    discovered earlier and unknown to him for some good and respectable reason. 
    It has happened a number of times and it will again.
    Now, you have made my mouth water ... how could I get a copy of your "Navigation Paper" ?
    Thank you for your Kind Attention and
    Very Best Regards
    Antoine M. Cou�tte
     "unpublished " for example
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