 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BU  -SL    -11.688  -73.993  2.1964
  
 covariance matrix (rad2/m.y.2 e-10
    3364.9    -132.2      58.4
    -132.2    4479.0     139.9
      58.4     139.9    3472.3
  
