READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 130695.824 4533.737 -2119.385 1.771127e-02 4.078229e-03 -4.078229e-03 0.299227 2.896331e-04 2.736776e-05 1.815312 20 0.576601 1990.796200 356.499758 4.342882