 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 yz  -SL     49.630  -26.623  0.1182
  
 covariance matrix (rad2/m.y.2 e-10
    1785.8     -16.0      54.3
     -16.0    2274.9      54.2
      54.3      54.2    1940.9
  
