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    Polar navigation
    From: Peter Hakel
    Date: 2009 Oct 18, 10:09 -0700
    Please take a look at the second letter at:

    http://www.nytimes.com/2009/10/19/opinion/19iht-edletmon.html

    At which latitudes is it recommended / standard practice to switch from the usual LOP plotting to the one adapted for polar regions?  Using the pole as the assumed position comes to mind.


    Peter Hakel



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