 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NI  -sr     -2.321 -175.903  3.2710
  
 covariance matrix (rad2/m.y.2 e-10
    5165.6    -111.3   -2114.8
    -111.3    4063.9     343.0
   -2114.8     343.0    7078.7
  
