READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 168431.992 48136.506 -26735.241 8.475568e-03 1.718775e-03 -1.718775e-03 0.065971 2.781628e-04 1.595373e-05 1.633653 27 1.373952 4939.381000 325.197208 4.931168