 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ND  -ca    -41.045  109.235  0.1974
  
 covariance matrix (rad2/m.y.2 e-10
    1874.0     -47.4     -61.7
     -47.4    3129.2     221.8
     -61.7     221.8    2138.7
  
