 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 MA  -JZ    -34.387 -113.013 21.8464
  
 covariance matrix (rad2/m.y.2 e-10
    7753.1    -701.7    -704.1
    -701.7    9183.4     158.6
    -704.1     158.6    7440.7
  
