READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 575993.715 835.969 -731.094 2.268467e-02 4.978018e-03 -4.978018e-03 1.000000 3.977958e-04 4.624282e-05 1.662952 22 0.623371 1567.062500 294.990860 4.556969