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    Re: Navigation in Fog
    From: Nicol�s de Hilster
    Date: 2007 Feb 20, 09:07 +0100

    Thanks Gary and Frank,
    
    very useful links. Calibration down to one degree sounds good enough to 
    me for navigational purposes (plenty gyro compasses do not achieve this, 
    you will need a fibre-optic one for better results). The Shetland 
    Islands (due west from Bergen) were frequented by the Vikings in the 
    past, which takes two days sailing. I always wondered how they managed 
    to sail due west for two days to get there. The Sun-Stone can very well 
    explain how they did this.
    
    Nicol�s
    
    
    glapook@PACBELL.NET wrote:
    
    >Try these links.
    >
    >http://www.gi.alaska.edu/ScienceForum/ASF8/865.html
    >http://www.navigationfoundation.org/AdmDavies.htm
    >http://www.polarization.com/compass/compass.html
    >http://www.polarization.com/viking/viking.html
    >  
    >
    
    
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