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    Sky compass (polarizing sunlight compass)
    From: Gary LaPook
    Date: 2007 Nov 03, 23:39 -0700

    Back in February we discussed the skycompass that made use of the
    poarized light form the sun below the horizon to determine direction
    and how I had mounted a polarizer on my astrocompass to do the sme. I
    have now recieved the ION cd and there are two articles that discuss
    this. Item 240 discuses the Pfund sky compass and item 213  discuses
    the air force modifiction to the astrocompass similar to mine.
    
    Here is a link to the ION table of contents:
    
    http://www.ion.org/publications/toc/celnavTOC.pdf
    
    
    
    gl
    
    
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