READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 104315.063 9506.180 -6921.692 4.144610e-03 1.893626e-03 -1.467544e-03 0.168803 1.319919e-04 1.220265e-05 1.732485 7 0.366023 2773.073800 196.046159 2.824181