 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 NH  -in    -10.525   -7.143  2.1588
  
 covariance matrix (rad2/m.y.2 e-10
    1643.8     115.2      29.5
     115.2    2579.6      27.7
      29.5      27.7    1713.0
  
