 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -am     -8.033 -176.357  3.2586
  
 covariance matrix (rad2/m.y.2 e-10
    3741.0    -285.2      21.6
    -285.2    3949.1     194.2
      21.6     194.2    4264.6
  
