 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sr  -BR     55.984  -57.601  0.4604
  
 covariance matrix (rad2/m.y.2 e-10
    3173.3     -36.1   -2209.4
     -36.1    2054.4     400.1
   -2209.4     400.1    4981.9
  
