 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ri  -BU     35.220 -132.252  3.1339
  
 covariance matrix (rad2/m.y.2 e-10
   25327.6   77115.0  -28347.5
   77115.0  259129.6  -94064.4
  -28347.5  -94064.4   37033.5
  
