 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -nb     35.295 -146.178  0.0758
  
 covariance matrix (rad2/m.y.2 e-10
      58.9      16.0     -35.3
      16.0      80.8      12.9
     -35.3      12.9      66.1
  
