 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 yz  -am     54.209  -77.510  0.0393
  
 covariance matrix (rad2/m.y.2 e-10
     125.9    -214.2    -216.9
    -214.2     425.1     410.3
    -216.9     410.3     467.3
  
