READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 31923.896 837.935 -754.200 1.769792e-02 6.078980e-03 -6.078980e-03 1.000000 1.944221e-02 3.173630e-04 1.338892 52 30.954625 1592.135500 41.650517 2.911330