READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 55314.165 3805.848 -1678.320 7.034529e-03 4.546639e-03 -3.234636e-03 0.146758 3.465296e-04 4.202289e-05 1.521552 4 0.278902 804.843300 3.666264 2.174752