READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 14942.021 22974.793 -5546.853 4.401213e-03 2.216214e-03 -1.680889e-03 0.066635 1.892108e-04 1.734493e-05 1.483094 6 0.359602 1900.533400 4.693286 2.618384