READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 3846.395 4134.529 -656.491 7.946557e-03 3.988733e-03 -3.027728e-03 0.203053 3.537804e-04 4.169342e-05 1.366808 6 0.344169 972.832400 4.744401 2.624594