READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 5152.144 6181.988 -2055.316 4.869131e-03 1.312914e-03 -1.312914e-03 0.498580 1.547512e-04 1.067884e-05 1.392140 15 0.635556 4106.957400 327.524923 3.708646