 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sw  -yz    -40.039  -29.512  1.5184
  
 covariance matrix (rad2/m.y.2 e-10
  130407.5  -65589.8 -228201.6
  -65589.8   36517.1  116648.4
 -228201.6  116648.4  403055.4
  
