READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 202116.199 3875.170 -2601.072 1.454992e-02 4.519999e-03 -3.751702e-03 0.180801 1.690520e-04 2.367201e-05 1.330779 13 0.197945 1170.909100 461.871645 3.878219