 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -sw     52.270   95.922  1.8454
  
 covariance matrix (rad2/m.y.2 e-10
  132315.5  -65779.8 -228136.0
  -65779.8   38875.0  116525.3
 -228136.0  116525.3  404720.7
  
