 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BH  -su    -43.179   96.464  1.1277
  
 covariance matrix (rad2/m.y.2 e-10
    6186.5    -346.4     144.3
    -346.4    6971.4      73.4
     144.3      73.4    6374.6
  
