READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 179317.887 4902.265 -2547.172 4.259866e-03 1.717262e-03 -1.372183e-03 0.459763 1.805579e-04 1.279941e-05 1.740625 9 0.618406 3424.971800 191.196344 3.104444