READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 48984.455 13380.829 -9898.892 1.735279e-03 9.545209e-04 -7.239570e-04 0.202697 1.772952e-04 9.423136e-06 1.585963 6 0.836610 4718.738600 3.625607 2.396936