 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 OK  -ar    -37.503 -158.901  0.5017
  
 covariance matrix (rad2/m.y.2 e-10
    1958.3     238.2      75.8
     238.2    3285.9     235.1
      75.8     235.1    2026.2
  
