 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sr  -xx    -32.496 -111.322  0.1072
  
 covariance matrix (rad2/m.y.2 e-10
    1589.8    -158.4   -2228.4
    -158.4      92.7     322.4
   -2228.4     322.4    3339.9
  
