READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 25027.067 140.998 -169.907 6.554347e-02 1.734488e-02 -1.734488e-02 1.000000 1.167997e-03 1.781178e-04 1.392225 15 0.363136 310.905200 264.309403 3.778836 41174.820 256.642 -297.471 4.756161e-02 1.097514e-02 -1.097514e-02 1.000000 1.113728e-03 1.303519e-04 1.359681 20 0.617131 554.113300 268.350227 4.333576