Two On A Big Ocean The Story of the First Circumnavigation
of the Pacific Basin
in a Small Sailing Ship


      

Other Books by
Hal Roth
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Re Sun sights


Subject: Re Sun sights
From: Nigel_Gardner (Nigel_Gardner@XXX.XXX)
Date: Sun Feb 03 2002 - 18:24:26 EST


David W. wrote,
"If you obtain an LAN at meridian passage of sun, then a couple hours
later,
you get a sun LOP. If you advance the noon Lop, does this give you a
running fix, or is it still an EP."

This is your traditional sun-run-sun fix. it is even better if you can get
a morning sight as well to give a 3p/l fix. On a passage it is usual to run
the AM sight up to the noon MerPass and the PM sight back to it thus
establishing the noon position for the day.

An EP by definition is that established by DR.

NG.





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