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    Re: SNO-T tests, attn: Bill
    From: Alexandre Eremenko
    Date: 2006 Apr 12, 09:32 -0400

    Fred,
    I re-address this question to Bill,
    but my impression is that his certificate
    is something of Cassens-Plath type
    "Free of the error for practical
    purposes". I don't think I've ever seen his certificate.
    
    Alex
    
    On Tue, 11 Apr 2006, jean-philippe planas wrote:
    
    > Dear Alex,
    >
    > Do you know what Bill Astra's calibration
    > certficate states for that angle (38?). Is the correction 0" or is it
    > something elese in which case the correct reading you obtain would be
    > luck and corresponding to the addition of sevral errors zeroing
    > themselves.
    
    
    

       
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