READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 239705.807 14135.902 -102000.862 3.454387e-03 1.762582e-03 -1.337923e-03 0.019301 1.946090e-04 1.726876e-05 1.391643 6 0.436221 2241.526200 4.463568 2.581903