#ifdef DEBUG_RANGE_DATA
            {
                long int index;
                for(index=ch.h.nchanls * ch.h.n_tx_smp;
                    index<ch.h.nchanls * (ch.h.tu_ng - ch.h.n_nx_smp + 1);
                    index += ch.h.nchanls)
                    printf("moments: main: data[%ld] = %3d data[%ld] = %3d\n",
                        index,data[index],index+1,data[index+1]);
            }
#endif /* DEBUG_RANGE_DATA */