 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 nb  -sc     52.650  -25.743  0.2011
  
 covariance matrix (rad2/m.y.2 e-10
     190.5    -259.6    -699.6
    -259.6     458.6    1059.4
    -699.6    1059.4    3693.5
  
