 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ri  -EA    -12.489 -110.955 14.8698
  
 covariance matrix (rad2/m.y.2 e-10
   27903.5   77675.6  -28524.5
   77675.6  262161.1  -94678.7
  -28524.5  -94678.7   39720.1
  
