READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 60392.175 2736.153 -2001.634 1.643973e-02 5.456682e-03 -4.495328e-03 0.221740 4.188565e-04 3.922951e-05 1.494023 12 0.440033 1050.558700 280.493901 3.657071