 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 EA  -BU     22.431   73.428 13.1641
  
 covariance matrix (rad2/m.y.2 e-10
    6062.2      18.3     -77.5
      18.3    8053.1    -353.4
     -77.5    -353.4    6340.2
  
