READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 28826.229 90667.915 -28706.315 2.039792e-03 5.881739e-04 -5.881739e-04 0.090337 1.453190e-04 5.109144e-06 1.637540 15 1.567105 10783.897300 243.806737 3.468008