READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 2643.100 165.098 -246.099 1.405071e-01 2.616896e-02 -2.616896e-02 1.000000 2.085241e-04 3.009786e-05 1.998189 29 0.085745 411.197200 2336.287067 5.369228