READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 71912.799 3467.962 -6891.830 1.328148e-02 2.754805e-03 -2.754805e-03 0.239844 7.811725e-04 5.042447e-05 1.316930 27 1.941006 2484.734300 200.005680 4.821204