READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7412.648 392.878 -797.222 3.796166e-02 1.411053e-02 -1.140724e-02 0.863787 4.662422e-04 6.404329e-05 4.098763 10 0.479294 1027.993000 144.612347 3.327857