 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ps  -TO    -31.139 -172.712  8.8119
  
 covariance matrix (rad2/m.y.2 e-10
    8733.2   -1066.5    -482.3
   -1066.5    8957.4     585.4
    -482.3     585.4    8330.9
  
