READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 72190.969 3189.791 -7170.000 1.343425e-02 2.796034e-03 -2.796034e-03 0.239844 6.021011e-04 3.894668e-05 1.362252 26 1.496061 2484.734300 253.212704 4.804753