READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 4060.353 631.534 -486.722 4.4511e-02 0.0000e+00 0.0000e+00 1.0000 1.1244e-02 2.7360e-04 2.5316 17 12.5742 1118.2558 1.3865 inf