READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 12462.601 2489.386 -4259.226 1.407870e-02 5.439115e-03 -4.394313e-03 0.144524 8.576844e-04 7.671363e-05 1.498583 10 0.836534 975.339700 122.470463 3.203846