 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -ar     -9.464 -175.878  3.7164
  
 covariance matrix (rad2/m.y.2 e-10
    3786.1     166.0     206.1
     166.0    4591.0      26.9
     206.1      26.9    3848.0
  
