READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 39217.684 764.209 -623.109 1.729512e-01 6.876208e-02 -6.876208e-02 0.117474 2.634930e-01 4.718794e-03 1.405301 63 42.942638 162.974501 26.080934 2.515212