 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 na  -xx     -4.855  -80.645  0.2087
  
 covariance matrix (rad2/m.y.2 e-10
      58.5     -30.0     -18.1
     -30.0     119.2      53.7
     -18.1      53.7     108.1
  
