READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 38317.094 7269.972 -326.469 1.501717e-02 5.642502e-03 -4.508658e-03 0.155789 6.245501e-06 2.793073e-06 1.976204 9 0.007391 1183.445600 2720.540056 3.330741