READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 90003.244 548806.130 -72889.044 3.797942e-03 9.353417e-04 -9.353417e-04 0.012785 1.634589e-04 7.273825e-06 1.705379 19 1.299194 7948.140999 306.171399 4.060486