 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BH  -ON    -51.328  -28.718  2.5746
  
 covariance matrix (rad2/m.y.2 e-10
    7687.3    -230.3     140.2
    -230.3    7847.1     -12.3
     140.2     -12.3    7922.9
  
