 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ar  -eu     31.452   12.016  0.4855
  
 covariance matrix (rad2/m.y.2 e-10
     299.6     126.8     141.7
     126.8     272.1     104.2
     141.7     104.2     160.3
  
