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» Online Classroom   » Emergency Navigation   » Public Discussion of Emergency Navigation   » sun declination

   
Author Topic: sun declination
halcon


 - posted February 05, 2006 02:02 PM      Profile for halcon           Edit/Delete Post 
hmmm! here is a question

knowing the suns LAN changes, throughout the year, because of declination.

if we could take an altitude reading at the exact moment it is highest in the sky, is there a simple formula to determine ones latitude, provided we have the altitude?

thanks
Halcon

From: california
David Burch


 - posted February 10, 2006 03:57 PM      Profile for David Burch           Edit/Delete Post 
Yes. that is called in cel nav a standard "noon sight." It is discussed in some detail in the Emergency Nav book.
From: Starpath, Seattle, WA


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