READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 148943.019 4759.920 -14394.450 9.570125e-03 1.931144e-03 -1.931144e-03 0.258789 1.472097e-04 1.003962e-05 1.877242 26 0.729709 4956.932100 507.785193 4.955676