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$Dave Walden: Re: Refraction$

Re: Refraction
From: Dave Walden
Date: 2008 Jul 6, 06:17 -0700

 Where does the 0.50169 come from??

On Jul 6, 9:15�am, dw  wrote:
> Nautical Almanac pg 260:
>
> "Mean refraction is calculated for a temperature of 10 deg C (50 deg
> F), a pressure of 1010 mb (29.83 inches), humidity of 80% and
> wavelenghth of 0.50169 micro m."
>
> Where does the 0.50269 come from??
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$Dave Walden: Re: Refraction$

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