 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 xx  -in    -50.372  176.710  0.5438
  
 covariance matrix (rad2/m.y.2 e-10
      65.3      79.7      32.0
      79.7     451.3      59.4
      32.0      59.4      48.7
  
