User contributions for 220.156.65.71
Jump to navigation
Jump to search
9 July 2012
- 18:1118:11, 9 July 2012 diff hist +29,362 N Ephemeris time →Redefinition of the second
3 June 2012
- 10:0110:01, 3 June 2012 diff hist +6,167 N GRS 80 →Defining features of GRS 80