READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 567665.774 764.749 -646.860 1.661655e-02 4.215415e-03 -4.215415e-03 1.000000 5.272758e-04 5.620779e-05 1.442946 17 0.744308 1411.609900 204.877506 3.941855