READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 21772.321 17191.198 -13438.071 4.347941e-03 2.429162e-03 -1.794183e-03 0.061968 1.522310e-04 1.632088e-05 1.751752 5 0.288938 1898.026100 4.313820 2.423354