 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 xx  -BH     39.998  -79.501  0.7988
  
 covariance matrix (rad2/m.y.2 e-10
    6007.7     -53.7      88.2
     -53.7    6224.4     -56.0
      88.2     -56.0    6110.4
  
