READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 234763.403 5676.259 -5676.259 2.3622e-02 0.0000e+00 0.0000e+00 0.0506 3.3092e-05 9.9777e-06 2.2930 0 0.0190 574.1717 0.0000 inf