READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 103255.933 9821.747 -7258.318 2.807505e-03 1.320154e-03 -1.022336e-03 0.278914 1.158066e-04 7.459759e-06 2.074223 7 0.551688 4763.870000 4.721930 2.746167