READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 52336.443 5241.731 -7243.229 2.969397e-03 1.771526e-03 -1.344562e-03 0.245811 4.051110e-04 2.257595e-05 1.915679 6 1.243259 3068.935200 3.060985 2.208449