READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45384.535 79374.265 -45264.621 9.563430e-04 4.920365e-04 -3.734902e-04 0.090042 4.296504e-05 2.527356e-06 1.945039 6 0.482183 11222.674800 4.341325 2.560557