READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 12785.751 3403.919 -4075.284 1.285832e-02 2.562511e-03 -2.562511e-03 0.461285 2.677438e-04 2.171689e-05 1.701232 27 0.923728 3450.044800 348.035171 5.017859 20427.017 243.572 -245.352 1.992837e-02 1.242617e-02 -8.840404e-03 1.000000 2.915533e-04 6.519330e-05 2.526173 4 0.142547 488.923500 4.283148 2.254237