READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 8651.266 4972.054 -2151.522 1.669525e-02 2.792648e-03 -2.792648e-03 0.456508 3.516856e-04 2.681578e-05 1.473083 38 1.143670 3251.968100 422.644673 5.978288