READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 140.331 1454.307 -55.087 1.856602e-02 4.102612e-03 -4.102612e-03 1.000000 8.557949e-04 6.918691e-05 1.290911 23 1.291732 1509.394600 207.873162 4.525414