READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 35505.560 25487.897 -23892.529 6.240883e-03 3.513584e-03 -2.595139e-03 0.025845 2.549380e-04 3.887768e-05 1.703682 5 0.325356 1276.215700 4.187166 2.404835