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Old 16-07-2006, 01:06 PM
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JohnG (John)
Looking Down From Above

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Join Date: Dec 2005
Location: Cootamundra, NSW
Posts: 1,711
Al

Found the formular for you:

If the height in feet of an observer is h, then the distance in miles to the horizon is shown to be the square root of 3h/2.

JohnG
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