READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 20782.924 357350.231 -15441.126 1.051156e-03 5.656086e-04 -4.289863e-04 0.022208 8.718152e-05 4.490077e-06 1.648850 6 0.721785 8279.104600 3.824947 2.450325