READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 4513784.828 31865.346 -20801.756 4.436607e-03 1.814487e-03 -1.449872e-03 0.063031 2.224033e-04 1.426718e-05 1.782625 9 0.738305 3319.665200 174.436257 3.060000