READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 13975.870 3620.331 -2991.620 7.019478e-03 2.730695e-03 -2.181970e-03 0.377690 1.258544e-04 2.069034e-05 2.018137 9 0.314293 2497.270800 168.101660 3.217037