READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 167444.627 5784.082 -6547.203 5.213762e-03 1.881369e-03 -1.881369e-03 0.234234 1.475207e-03 4.468272e-05 1.402317 15 4.261001 2888.409600 83.208057 2.771259