 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sc  -pa     57.836  -78.019  0.7548
  
 covariance matrix (rad2/m.y.2 e-10
     341.5    -262.4    -801.2
    -262.4     998.8    1298.5
    -801.2    1298.5    3973.2
  
