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16 July 2013

6 October 2012

  • 14:2414:24, 6 October 2012 diff hist +8 Nodal precessionTwo equations used r and a, respectively, for the radius of the Earth. The first used a for something else (semi-major axis.) I changed both equations to use R_E instead of r and a.

18 April 2012

7 July 2011

4 April 2011

20 February 2010