FDC   2   3320    0 4097319  77546821  0 21NORMAL 0DB   0DB   X20  4.HZ
 FFC [ FIX   XOFF  YOFF  ZOFF  CALOFF 1977   1543230    .53746510+05    
 BFC       255 0   2 0   2 0   2 0   2 0   2 0