Header line text (29 chars) . NetCd (5 Chars), comment in next line
                              NSN 
 chan stati  comi stato  como, In and Out definitions
             SHZ         S  Z
             SHE         S  E
             SHN         S  N
             BHZ         B  Z  
             BHE         B  E  
             BHN         B  N  
             LHZ         L  Z  
             LHE         L  E  
             LHN         L  N  
             AHZ         A  Z
             AHE         A  E
             AHN         A  N
             S  Z        SHZ    
             S  E        SHE    
             S  N        SHN    
             B  Z        BHZ    
             B  E        BHE    
             B  N        BHN    
             L  Z        LHZ    
             L  E        LHE    
             L  N        LHN    
             A  Z        AHZ    
             A  E        AHE    
             A  N        AHN    
