*-- Author : S.Burke
      SUBROUTINE FFTRCH
*-----------------------------------------Updates 07/09/93-------                                             
**: FFTRCH 40000 SB. New definition of dead wire flag.                                                        
*-----------------------------------------Updates 03/05/93-------                                             
**: FFTRCH 40000 SB. Check for dead wires and hits with no digi.                                              
**: FFTRCH 40000 SB. Reinstate missing track histograms.                                                      
*-----------------------------------------Updates----------------                                             
**********************************************************************                                        
*                                                                    *                                        
* Histogram the length of tracks which are not found by the patrec   *                                        
*                                                                    *                                        
* NB Histograms are booked in FFHBK                                  *                                        
*                                                                    *                                        
**********************************************************************                                        
*KEEP,FKNPL.                                                                                                  
*                                                                                                             
* Per-track values can go in H1WORK; note that LTRUE and LFIRST must                                          
* be set at least per event.                                                                                  
*                                                                                                             
* This is about 36k words long; the remaining common blocks are                                               
* about 3.6k in total. Some of this could be in /H1WORK/, but the                                             
* blocks would have to be reorganised.                                                                        
*                                                                                                             
* /FKPROJ/                                                                                                    
* /FKFILT/                                                                                                    
* /FKSMTH/                                                                                                    
* /FKINT/                                                                                                     
* /FKRSID/                                                                                                    
* /FKTRUE/                                                                                                    
* /FKDBG/                                                                                                     
*KEEP,FFGEO.                                                                                                  
*KEEP,FFWBI.                                                                                                  
* Work bank indices (note that INDKTR is *NOT* a work bank index!)                                            
*KEEP,FFDBG.                                                                                                  
*KEEP,BCS.                                                                                                    
*KEEP,STFUNCT.                                                                                                
*     index of element before row number IROW                                                                 
*     index of L'th element  of row number IROW                                                               
*     L'th integer element of the IROW'th row of bank with index IND                                          
*     L'th real element of the IROW'th row of bank with index IND                                             
*KEND.                                                                                                        
**********************************************************************                                        
      CALL VZERO(ITRNF,5*NTRACK)                                                                       
* Check for dead wire                                                                                         
* Check for dead wire                                                                                         
      CALL HFILL(331,FLOAT(NTR),0.,1.)                                                                 
         CALL HFILL(332,FLOAT(NHITP),0.,1.)                                                            
         CALL HFILL(333,FLOAT(NHITR),0.,1.)                                                            
         CALL HFILL(334,PTRK,0.,1.)                                                                    
            CALL HFILL(335,FLOAT(NHITPR),0.,1.)                                                        
            CALL HFILL(336,PTRK,0.,1.)                                                                 
C         IF (NHITPR.GT.36) CALL HFILL(347,PTRK,0.,1.)                                                        
C         CALL HFILL(348,FLOAT(NFOUND),0.,1.)                                                                 
C         CALL HFILL(349,FLOAT(NFOUND)/FLOAT(NHITP+NHITR),0.,1.)                                              
*