 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 yz  -JZ    -33.404 -109.317 22.3268
  
 covariance matrix (rad2/m.y.2 e-10
    5467.7     134.5     -81.6
     134.5    6833.7    -439.1
     -81.6    -439.1    5793.4
  
