 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ND  -sr     73.085 -161.726  0.0972
  
 covariance matrix (rad2/m.y.2 e-10
    3297.1      28.0   -2264.1
      28.0    2584.4     564.1
   -2264.1     564.1    5249.0
  
