READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 14251.167 20795.767 -2960.610 8.655001e-03 2.034258e-03 -2.034258e-03 0.191665 3.294839e-04 1.657814e-05 2.020969 21 1.500225 4553.256800 258.328174 4.254623