 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 cp  -yz     12.964   33.181  0.5727
  
 covariance matrix (rad2/m.y.2 e-10
     135.4     100.1    -144.1
     100.1    1098.5    -382.4
    -144.1    -382.4     382.9
  
