 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -PM     -6.363 -178.737  3.2036
  
 covariance matrix (rad2/m.y.2 e-10
    5282.5    -186.7      87.6
    -186.7    6148.6       0.7
      87.6       0.7    5508.3
  
