READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 76358.220 339.610 -17212.336 4.867559e-03 2.589211e-03 -1.912396e-03 0.107281 2.774851e-05 5.066163e-06 1.852370 5 0.052250 1882.982300 518.659571 2.545267