READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 6842.655 5521.310 -1121.430 8.374669e-03 3.436997e-03 -2.706996e-03 0.303470 8.717600e-05 1.299543e-05 2.157750 8 0.175735 2015.869200 298.669250 3.093713