READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 74866.241 552121.985 -52100.022 2.098587e-03 1.146592e-03 -8.696336e-04 0.007420 1.788771e-04 1.050403e-05 1.809941 6 0.801915 4483.052400 3.683325 2.413185