 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BS  -xx     -1.485  121.641  2.4753
  
 covariance matrix (rad2/m.y.2 e-10
    1776.8    -246.0      40.3
    -246.0    2748.2     134.8
      40.3     134.8    1875.5
  
