READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 30892.227 961.942 -773.116 1.006598e-02 3.741921e-03 -3.056595e-03 0.997106 6.191977e-04 4.378389e-05 1.753905 11 1.071235 1730.037000 131.076705 3.293201