READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 5977.497 3878.586 -1951.779 3.584084e-03 2.106450e-03 -1.554437e-03 0.346614 2.572237e-04 1.996443e-05 1.616745 5 0.519819 2020.883800 3.659516 2.305713