READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 70298.918 8514.239 -3736.080 4.014510e-03 1.851488e-03 -1.434888e-03 0.254203 1.374795e-04 1.048271e-05 1.902229 7 0.428120 3114.066600 201.320519 2.797786