FDC   2   4010    0 7684296  70179890  0112EVENT  0DB   0DB   X20  .5HZ
 FFC [ FIX   XOFF  YOFF  ZOFF  CALOFF 1976   9525422    .44354233+05    
 HFC         4 4   3 2   3 3   3 1 194 0   2 3   4 1   2 4   2 2   2 2   1 1   2 1  
 GHC [   2 1   2 1   2 1   2 1   1 1   2 3   2 1   1 2   2 1   2 1   2 1   2 2
 DGC ]   4 1   2 1   2 4   2 1   1 2   3 1   2 1   1 1   0 0