READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45057.590 3962.904 -3163.632 1.025178e-02 2.118462e-03 -2.118462e-03 0.473206 3.914780e-04 2.840080e-05 1.400832 26 1.320189 3372.318500 257.681142 4.839256