 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 OK  -ND     34.508  -63.581  0.1415
  
 covariance matrix (rad2/m.y.2 e-10
    3368.1      61.0     -90.4
      61.0    4314.2     315.2
     -90.4     315.2    3621.9
  
