READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 8623.286 116135.514 -8503.370 6.608152e-04 3.864170e-04 -2.931815e-04 0.090042 1.020361e-04 3.665246e-06 1.527521 6 1.145118 11222.674800 3.181888 2.253946