READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7509.829 897.969 -1010.086 2.021352e-02 3.936838e-03 -3.936838e-03 1.000000 4.337516e-04 4.381553e-05 1.419401 28 0.827622 1908.055300 325.018898 5.134456