READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 9753.885 812.788 -914.741 1.082578e-02 2.989578e-03 -2.989578e-03 1.000000 8.738350e-04 6.513182e-05 1.290636 16 1.509576 1727.529700 128.784142 3.621174