 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SL  -ar    -23.081 -174.668  0.5455
  
 covariance matrix (rad2/m.y.2 e-10
    1875.5     380.2     120.2
     380.2    3009.8      93.4
     120.2      93.4    1856.8
  
