READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 25840.048 46250.463 -18038.230 4.435983e-03 2.475613e-03 -1.826858e-03 0.026988 1.623758e-04 1.900465e-05 1.631339 5 0.281730 1735.051600 4.340580 2.428204