 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sa  -NI      2.601    3.956  3.2649
  
 covariance matrix (rad2/m.y.2 e-10
    3656.0     -11.3      39.9
     -11.3    4079.4     107.0
      39.9     107.0    3903.8
  
