 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 OK  -am    -54.516  -52.584  0.1839
  
 covariance matrix (rad2/m.y.2 e-10
    1913.2    -213.0    -108.7
    -213.0    2643.9     402.4
    -108.7     402.4    2442.8
  
