READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 39643.437 338.456 -186.140 3.0043e+00 0.0000e+00 0.0000e+00 0.0239 1.0936e+00 5.0229e-02 1.5119 22 13.7095 12.5365 2.2059 inf