READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 123530.604 111.575 -111.575 3.8650e-02 0.0000e+00 0.0000e+00 1.0000 1.8239e-04 4.8745e-05 1.4581 0 0.0407 223.1497 0.0000 inf