 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 MS  -na      2.567  -54.624  3.3783
  
 covariance matrix (rad2/m.y.2 e-10
    1907.7    -274.2      14.0
    -274.2    3215.2     281.6
      14.0     281.6    2101.9
  
