READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 39500.926 10957.433 -13321.259 2.995531e-03 1.591168e-03 -1.175240e-03 0.137351 1.356030e-05 3.196194e-06 2.015989 5 0.045220 3334.709000 464.871963 2.548868