READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7665.635 32762.014 -1050.209 4.849572e-03 1.770779e-03 -1.457963e-03 0.104631 4.207588e-04 2.519017e-05 1.632273 12 1.488561 3537.800300 117.949941 3.326266