READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 38266.186 26817.620 -1555.283 3.674278e-03 2.248509e-03 -1.599667e-03 0.067956 3.632567e-05 9.081418e-06 1.802653 4 0.070040 1928.113700 4.869614 2.296902