READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 346358.954 38883.313 -47673.867 7.307855e-03 1.970529e-03 -1.970529e-03 0.030705 2.389116e-04 2.298928e-05 1.352058 15 0.634964 2657.738000 235.108993 3.708575