READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 60173.841 3922.896 -3733.872 1.422547e-02 5.178885e-03 -4.186717e-03 0.140809 2.592101e-04 3.054821e-05 1.577722 10 0.279465 1078.139000 295.141108 3.397763