READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 61802.184 58191.016 -29112.920 3.094602e-03 8.080707e-04 -8.080707e-04 0.111976 1.714945e-05 2.528549e-06 2.039644 15 0.167652 9775.962700 600.038309 3.829618