 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BH  -pa     11.589   88.389  0.3457
  
 covariance matrix (rad2/m.y.2 e-10
    5983.3     -75.3      94.6
     -75.3    6000.4     -57.0
      94.6     -57.0    6087.7
  
