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I was thinking more of the junction of the sea and the _bottom_ of the
cloud bank, as George Huxtable suggested in an earlier communication....

Yours aye,

Geoffrey.

At 23:25 10-09-00 -0400, you wrote:
>Sigh... after fiddling with the sights and trying to find what
>altitude for a given time and AP gives a plausible distance to the GP,
>it seems there is about a 1.3 degree error between my recorded
>altitude and a more reasonable altitude.  The problem is my altitudes
>are all too high.  If, as has been proposed, I was using the top of a
>distant mist bank or cloud bank as the horizon, I should have
>altitudes that are too low because I'd have measured from Betelgeuse
>to the top of the clouds instead of further down to the true horizon.
>Instead it looks as though I used some point *below* the horizon as
>the "horizon" for my shots.  I'm hard pressed to explain that much
>error.
>
>Rick
>S/V One With The Wind, Baba 35
>

   

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