READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 41792.465 5128.233 -4487.948 1.056447e-02 5.148047e-03 -3.907729e-03 0.119939 1.510156e-04 2.074358e-05 2.091420 6 0.174175 1153.358000 243.505922 2.703480