READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 46846.224 713.708 -532.421 5.274650e-03 3.191782e-03 -2.421390e-03 1.000000 1.051290e-03 5.323415e-05 1.401469 6 1.310042 1246.128100 2.983087 2.178356