 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AS  -SB     -6.503  147.762  8.2111
  
 covariance matrix (rad2/m.y.2 e-10
    8213.5      81.0     -18.7
      81.0    8567.1      76.3
     -18.7      76.3    8285.2
  
