READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7536.188 4795.092 -1239.062 4.737213e-03 2.541966e-03 -1.877501e-03 0.330337 4.783320e-05 8.326692e-06 1.925118 5 0.095346 1993.303500 295.503376 2.523148