READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 3280.089 4215.295 -1594.649 3.786966e-03 2.198345e-03 -1.623701e-03 0.349558 2.294242e-04 1.938989e-05 1.696294 5 0.465941 2030.913000 3.786911 2.332305