 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sw  -ri    -29.244   56.649  4.6039
  
 covariance matrix (rad2/m.y.2 e-10
  153873.4   11749.7 -256787.7
   11749.7  293970.0   22966.6
 -256787.7   22966.6  438240.4
  
