READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 174689.303 1030.722 -679.274 1.174746e-02 3.971396e-03 -3.242087e-03 0.980929 4.690130e-05 1.353924e-05 1.804321 11 0.078671 1677.383700 480.893409 3.623424