READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 21797.451 6390.147 -7089.075 5.613543e-03 2.117494e-03 -1.711825e-03 0.231771 1.978243e-04 1.402340e-05 1.869244 10 0.618022 3124.095800 214.149405 3.279273