 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -OK     -5.311 -177.904  3.3013
  
 covariance matrix (rad2/m.y.2 e-10
    5236.7     -78.3      58.9
     -78.3    5793.7      94.1
      58.9      94.1    5451.6
  
