READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 19329.559 26917.122 -19256.416 8.021600e-04 3.627797e-04 -2.857271e-04 0.304035 6.407880e-05 2.930896e-06 1.586059 8 0.899562 14038.372700 4.529497 2.807434