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    Re: Lunar Distance Hs and Prism Level.
    From: Greg R_
    Date: 2007 Sep 19, 14:38 -0700

    --- Peter Fogg  wrote:
    
    > I've always wondered why the 'H' indicates altitude. Frank, do you
    > know why the abbreviation for this French word has come to be used?
    
    I always thought that the 'H' stood for 'height', though it's been long
    enough that I can't come up with a definitive reference for that.
    
    --
    GregR
    
    
    > Fank wrote:
    >
    > > To translate, for those new to the topic, using Hs means a raw
    > measured
    > > altitude and Hc means a computed altitude (H for hauteur -French
    > for
    > > altitude, s for sextant, c for computed).
    >
    >
    > I've always wondered why the 'H' indicates altitude. Frank, do you
    > know why
    > the abbreviation for this French word has come to be used?
    >
    > >
    >
    
    
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