READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 58082.731 15002.166 -8142.837 2.666273e-03 1.088347e-03 -8.696468e-04 0.194236 1.605776e-04 1.045271e-05 1.447991 9 0.721891 4495.588900 176.163387 3.065926