READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 787677.038 4438.958 -6090.675 1.044341e-02 6.508525e-03 -4.630390e-03 0.076198 1.755149e-04 3.055322e-05 2.171320 4 0.140822 802.336000 4.293818 2.255406