READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 52019.258 28690.037 -28357.465 7.864100e-02 1.878680e-02 -1.878680e-02 0.005538 7.589591e-04 1.157402e-04 1.398870 18 0.239770 315.919800 485.721790 4.185971