READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 39145.926 34028.874 -18404.283 9.433356e-03 3.366406e-03 -2.721471e-03 0.035386 4.470163e-05 9.320935e-06 1.764915 10 0.082939 1855.402000 573.436700 3.466271