READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 536792.139 98886.698 -40103.112 2.2147e-03 0.0000e+00 0.0000e+00 0.0471 6.7246e-05 3.6257e-06 1.8674 1 0.4406 6551.5749 0.7279 inf