 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sw  -ca    -38.392  -26.415  1.3599
  
 covariance matrix (rad2/m.y.2 e-10
  130561.0  -65563.5 -227890.3
  -65563.5   35969.7  116114.6
 -227890.3  116114.6  402810.5
  
