 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sw  -lw    -41.122  -31.599  1.3750
  
 covariance matrix (rad2/m.y.2 e-10
  130943.9  -65301.6 -228547.9
  -65301.6   35822.9  116054.0
 -228547.9  116054.0  403321.0
  
