READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 100051.894 128973.790 -55359.442 3.176532e-03 8.328423e-04 -8.328423e-04 0.041785 9.641600e-05 6.002598e-06 1.603619 16 0.742637 7702.425600 329.999061 3.814086