READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 28197.317 6884.896 -5289.709 3.023861e-03 1.313826e-03 -1.049817e-03 0.327865 3.064455e-04 1.642720e-05 1.552027 9 1.223215 3991.621600 4.494451 2.880370