READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 71410.358 394.506 -578.326 1.045878e-02 4.685273e-03 -3.631048e-03 1.000000 2.409022e-04 3.631737e-05 1.503789 7 0.234357 972.832400 191.494662 2.880375