FDC   2   4000    0 4855320  77838761  0 21NORMAL 0DB   0DB   X20  4.HZ
 FFC [ FIX   XOFF  YOFF  ZOFF  CALOFF 1977   1747603    .45742253+02    
 BFC         0 0   3 0   3 0   4 0   2 0   3 0