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#10 |
Sailor man
![]() Join Date: Apr 2007
Posts: 45
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What is meant by 20 degrees between the 4 and the 7??
I have a proper engineering slide rule infront of me (my fathers from years back), and no matter how I move it so that the slide moves 20 degrees acording to the S table I get results that are at least a degree if not more different to yours. i.e 22 degrees at 7000 metres and 41 degrees at 4000 metres. How do you calculate that 20 degrees onto the slide rule??
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