READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 47135.229 424.705 -821.423 3.723739e-03 2.747602e-03 -1.955707e-03 1.000000 5.986404e-04 3.310489e-05 1.426016 4 0.745983 1246.128100 2.618311 1.904037