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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.

gl


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 
mind.
> 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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