We use cookies and identical instruments which are essential to permit you to make purchases, to improve your purchasing ordeals and to provide our solutions, as in-depth inside our Cookie Notice. Observe in these scripts, I generally use lat/lon for lati­tude/longi­tude in degrees, and φ/λ for lati­tude/longi­tude in radians – http://chaplinq988mev8.bloggerswise.com/profile