READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 222593.165 234248.573 -120105.769 4.237766e-04 1.454289e-04 -1.454289e-04 0.140672 1.262935e-04 1.848087e-06 1.662729 19 6.295431 49847.631296 137.909111 2.913977