READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 102674.579 3288.137 -3106.732 6.950280e-03 4.278327e-03 -3.043749e-03 0.174083 8.356381e-05 1.500850e-05 1.980378 4 0.093027 1113.241200 4.642687 2.283460