 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sa  -yz    -81.404   55.936  0.3430
  
 covariance matrix (rad2/m.y.2 e-10
     255.9      81.5      21.3
      81.5     455.9     232.4
      21.3     232.4     451.1
  
