READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 50624.052 140.877 -149.970 2.797487e-02 1.342472e-02 -1.019031e-02 1.000000 2.896666e-04 9.160062e-05 1.375322 6 0.084249 290.846800 222.048184 2.745244