READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 11688.862 12921.761 -3724.281 2.026741e-02 1.016773e-02 -7.718020e-03 0.024702 8.300542e-04 1.162308e-04 1.472681 6 0.341316 411.197200 4.754081 2.625986