 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BH  -yz    -47.678   93.397  1.0964
  
 covariance matrix (rad2/m.y.2 e-10
    6147.4    -230.3     140.2
    -230.3    6307.2     -12.3
     140.2     -12.3    6383.0
  
