 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -JZ    -36.583 -108.810 22.1120
  
 covariance matrix (rad2/m.y.2 e-10
   15443.5   13353.6  -15769.7
   13353.6   23929.5  -21270.5
  -15769.7  -21270.5   31072.3
  
