READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 34193.179 71769.537 -19509.934 4.058642e-03 2.222537e-03 -1.721715e-03 0.022964 6.989195e-04 3.313196e-05 1.537007 7 1.465007 2096.102800 3.291579 2.357325