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Re: John Michell lecture
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cerrig wrote:

including your method for finding the horizon altitude, remotely. This is not a particularly difficult equation. There are various factors to take into account, but you have a 2 degree tolerance so that should allow for the refraction issue.

This indicates how much at sea you are and a misunderstanding of the basic teminology .
The altitude does include refraction .i.e. the altitude is apparent alt. - refraction

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Posted by tiompan
18th May 2016ce

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Re: John Michell lecture (cerrig)

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