 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 su  -sw     40.931  152.913  1.4314
  
 covariance matrix (rad2/m.y.2 e-10
  130446.7  -65706.4 -228196.7
  -65706.4   37182.9  116732.2
 -228196.7  116732.2  403046.6
  
