FGC   2   6420    0 6722166  78867711  0202EVENT  0DB   0DB   X20  .5HZ
 FFC [ FIX   XOFF  YOFF  ZOFF  CALOFF 1977   2535779    .10174359+05    
 HFC         8 0   6 0   8 0   9 0   1 1   1 3 255 2   1 1   3 2   3 0   1 1   1 3  
 GHC [   3 1   1 0   2 0   1 0   1 1   2 1   2 0   2 1   2 1   4 1   2 0   2 0
 GGC ]   2 0   1 0   1 1   1 1   1 0   1 1   1 0   1 0   1 0   2 0   1 1   1 1
 GGC     0 1   1 0   1 1   2 0   1 0   2 1   2 0   1 2   1 1   1 2   1 0   1 2
 GGC     1 0   1 1   2 0   2 0   1 1   1 0   1 1   1 1   1 1   2 0   2 1   1 0