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    Re: (Re: Navigation in Fog)SKY COMPASS
    From: Gary LaPook
    Date: 2009 Mar 15, 15:51 -0700

    I balanced the polarizing camera filter on top of the sighting vanes one
    the astrocompass. I cut out a piece of cellophane and put it on top of
    the filter. I put a small mirror on the base of the astrocompass to
    allow me to look up though the filter at the zenith. I had to try
    different alignments of the cellophane to maximize the zenith light
    shift affect. I hope this helps.
    NavList@aol.com wrote:
    > Hi Gary,
    > at the moment my buddy and me are very interested in building our own SKY 
    COMPASS here in Germany. From what I understand you have some photos and more 
    on the subject. Placing it on our Astro Compass Mk II is what we have in 
    > I'm a retired airline pilot ex Lufthansa and still very interested in 
    methods of long range navigation, especially in nothern parts of the world.
    > I greatly would appreciate photos and/or drawings on the subject.
    > Regards,
    > Cordt Machens
    > cordt.machens@t-online.de
    > ----------------------------------------------------
    > [Sent from archive by: cordt.machens-AT-t-online.de]
    > >
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