READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 14438.400 14698.250 -9683.499 7.558898e-04 5.180721e-04 -3.683589e-04 0.317862 6.331430e-05 3.631324e-06 1.669470 4 0.490688 7750.034225 3.088191 2.052047