Journal of 2014/08/16

Finding true north, south, east, and west.
– Prepare flat surface.
– Put a stick or pole that has pointy shadow.
– Mark the first position of the shadow.
– Mark the second position of the shadow after five or ten minutes.
– Draw a straight line that crosses the two position.
– Turn ninety degrees to anticlockwise on the line.
– Draw straight line that has right angle with the line, north direction is the true North.
– 180 degrees of truth North is true South.
North and south pointer.
Removed six structs for door installation. The door is facing towards true south.

About janpenguin

Email: janpenguin [at] riseup [dot] net Every content on the blog is made by Free and Open Source Software in GNU/Linux.
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