 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NH  -TI      2.567  -31.905  3.7653
  
 covariance matrix (rad2/m.y.2 e-10
    4117.8    -271.1      49.7
    -271.1    4885.5     130.4
      49.7     130.4    4201.4
  
