READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7331.487 474.039 -716.059 1.016612e-02 5.382362e-03 -4.240496e-03 0.863788 1.884338e-03 1.166376e-04 1.723685 8 1.937086 1027.993000 3.263158 2.397390