READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 120451.177 78876.709 -117299.297 1.359682e-03 5.890967e-04 -4.707195e-04 0.050970 1.201036e-04 5.349841e-06 1.743251 9 1.200930 9999.112400 4.525302 2.888519