READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 169252.023 27.330 -980.605 8.227559e-03 4.806559e-03 -3.546960e-03 1.000000 4.888064e-04 5.041653e-05 1.839991 5 0.492685 1007.934600 3.722160 2.319609