READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 36733.270 3248.624 -3665.287 1.807305e-02 6.522322e-03 -6.522322e-03 0.232093 1.544739e-02 2.768634e-04 1.592428 43 24.787993 1604.672001 40.992651 2.770953