 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SB  -sw     13.496  -31.035  7.0731
  
 covariance matrix (rad2/m.y.2 e-10
  137077.4  -65860.8 -228117.3
  -65860.8   43283.3  116449.1
 -228117.3  116449.1  409410.8
  
