 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 nb  -TI      9.940  -66.688  2.0861
  
 covariance matrix (rad2/m.y.2 e-10
    2685.4    -222.0     -13.5
    -222.0    3919.5     179.2
     -13.5     179.2    2884.0
  
