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    Re: Example sights very near the North Pole
    From: Herman Dekker
    Date: 2017 Jun 6, 09:35 -0700

    Gave it a try on the TI-89 Starpilot.
    First DR Lat 90°N Lon 00° gave error, I suppose something went to infinity or so.
    Second Lat 89,5° N Lon 00,5 E
    This resulted in acceptable a values.
    Then fix by computation and updated the DR every time.
    Calculated this about 8 times, everytime updated the DR until no further improvement.
    Result: Fix 89° 56,5' N, 67° 41,5 E well no so near as the others, but we now about where we are.

    Regards,

    HermanD

       
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