 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sw  -KE    -60.449 -132.809  2.5154
  
 covariance matrix (rad2/m.y.2 e-10
  132253.1  -65936.1 -228022.7
  -65936.1   38476.1  116392.0
 -228022.7  116392.0  404690.9
  
