 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 su  -ca     77.886  114.256  0.0954
  
 covariance matrix (rad2/m.y.2 e-10
     346.4    -166.5      53.6
    -166.5    1603.4     239.1
      53.6     239.1     498.2
  
