READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33399.221 37766.827 -14973.618 8.488742e-03 2.597344e-03 -2.170349e-03 0.069314 1.534381e-04 1.066468e-05 2.309087 14 0.560915 3655.643400 344.713213 3.911234