READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 526779.897 27700.644 -28411.847 4.788435e-03 1.694518e-03 -1.383336e-03 0.069125 1.461846e-04 9.101055e-06 1.780250 11 0.567020 3878.793100 295.542575 3.461513