READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 38571.860 10162.775 -2500.239 7.320329e-03 2.358759e-03 -1.943194e-03 0.231464 3.154203e-05 1.051401e-05 1.801825 12 0.092451 2931.033700 386.396464 3.767162