READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 26319.837 53508.044 -15295.480 1.348580e-03 9.301220e-04 -6.613341e-04 0.059509 1.251963e-04 8.765497e-06 1.583497 4 0.512607 4094.420900 3.041032 2.039181