 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BH  -BS    -13.193  -51.746  1.9685
  
 covariance matrix (rad2/m.y.2 e-10
    7726.4    -346.4     144.3
    -346.4    8511.3      73.4
     144.3      73.4    7914.5
  
