func Begin()
{
       RecNum = 1;    /* initialize a couple of counter */
       Traces = 1;
}

func OnLineHeader()   /* read line header */
{

	output(LH);   /* write out the line header */
}
 
func OnTrace()        /* read each trace */
{
	Tr.RecNum = RecNum;   /* get the record number */

	output(Tr);           /* write out the trace */

        if(Traces%481)==0){   /* if the trace counter reaches a multiple of 481 */
		++RecNum;     /* increase the record counter by 1               */
}

	Traces++;             /* whatever happens increase trace counter by 1   */

}