READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 60558.399 65.836 -197.431 1.999729e-02 1.283177e-02 -9.128967e-03 1.000000 9.587284e-04 1.750391e-04 1.404647 4 0.252401 263.266500 3.762642 2.190532