READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 54499.035 61376.415 -24757.996 4.756993e-03 1.091855e-03 -1.091855e-03 0.078682 7.600005e-05 5.745064e-06 1.654573 20 0.515070 6777.231900 500.439592 4.356798