READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 85698.966 742.921 -994.638 1.256578e-02 4.518190e-03 -4.518190e-03 1.000000 4.739207e-03 1.496426e-04 1.710395 21 8.234652 1737.558900 49.095070 2.781154