READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 3010446.790 847.409 -847.409 2.4609e-02 0.0000e+00 0.0000e+00 0.2900 5.4854e-05 1.0971e-05 2.0446 0 0.0270 491.4308 0.0000 inf