FDC   2   2450    0 7403296  69994919  0 82EVENT  0DB   0DB   X20  .5HZ
 FFC [ FIX   XOFF  YOFF  ZOFF  CALOFF 1976   9475298    .36334465+05    
 HFC         4 2   1 2   2 2   2 0   2 1   2 1   4 1   2 0   1 1   2 0   1 1   1 2  
 GHC [   3 1   2 1   2 1   4 1   2 1   2 2   1 0   1 1   1 0   3 1   2 1   0 0