READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 48729.162 74496.280 -30535.317 4.821592e-03 1.135552e-03 -1.135552e-03 0.068990 1.393699e-04 7.121469e-06 1.839785 20 1.009888 7246.097000 368.005087 4.246036